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Chemistry Test - 1

  • 1.

    Baryllium Sulphate is less soluble in water due to

    a 
    High inflammable energy
    b 
    Low energy of dissociation
    c 
    Low inflammation energy
    d 
    Lonic band
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    13.70% users answered right
    Correct Answer: a
    Comment · 1 · 
  • 2.
    What happens when a chemical bond is formed

    a 
    energy is always absorbed
    b 
    energy is always released
    c 
    more energy is released than is absorbed
    d 
    energy is neither released nor absorbed

    Explanation:
    Subject: 
    GENERAL SCIENCE
    22.86% users answered right
    Correct Answer: a
    Comment · 6 · 
  • 3.
    In which of the following states maximum iron ore is found?

    a 
    FeCo3
    b 
    Fe2O3
    c 
    Fe3O4
    d 
    FeS2

    Explanation:
    Subject: 
    GENERAL SCIENCE
    56.72% users answered right
    Correct Answer: b
    Comment · 2 · 
  • 4.
    “All the four quantum numbers of two electrons in an atoms are not the same.” It is the law
    Of------

    a 
    Hund`s
    b 
    Exclusion Principle of Puali
    c 
    Uncertainty Principle of Hiesenberg
    d 
    Avogadro`s Law

    Explanation:
    Subject: 
    GENERAL SCIENCE
    31.82% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 5.
    Commercial nitric acid is coloured because it contains dissolved

    a 
    Oxygen
    b 
    Nitrous oxide
    c 
    Nitrogen dioxide
    d 
    Coloured impurities

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.63% users answered right
    Correct Answer: c
    Comment · 1 · 
  • 6.
    The gas used for artificial fruit ripening of green fruit is----

    a 
    Ethylene
    b 
    Acetylene
    c 
    Ethane
    d 
    Methane

    Explanation:
    Subject: 
    GENERAL SCIENCE
    45.16% users answered right
    Correct Answer: a
    Comment · 1 · 
  • 7.
    An atomic pile is used for

    a 
    producing X-rays
    b 
    conducting nuclear fission
    c 
    conducting thermonuclear fusion
    d 
    accelerating atoms

    Explanation:
    Subject: 
    GENERAL SCIENCE
    37.04% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 8.
    The substance which does not expand on going from liquid state to solid state is

    a 
    Water
    b 
    Cast-iron
    c 
    Aluminium
    d 
    Type metal

    Explanation:
    Subject: 
    GENERAL SCIENCE
    25.45% users answered right
    Correct Answer: d
    Comment · 1 · 
  • 9.
    The radio-active element used in heart pacemakers is

    a 
    Uranium
    b 
    Deuterium
    c 
    Plutonium
    d 
    Radium

    Explanation:
    Subject: 
    GENERAL SCIENCE
    28.57% users answered right
    Correct Answer: a
    Comment · 1 · 
  • 10.
     Table salt gets moist during rainy season because

    a 
    sodium chloride is hygroscopic
    b 
    sodium chloride is deliquescent
    c 
    sodium chloride is contains some quantity of sodium iodide
    d 
    sodium chloride contains hygroscopic impurities like magnesium chloride

    Explanation:
    Subject: 
    GENERAL SCIENCE
    25.93% users answered right
    Correct Answer: d
    Comment · 1 · 
  • 11.

    Which of the following is used to iodise common salt?

    a 
    Potassium iodide
    b 
    Iodine
    c 
    Potassium iodate
    d 
    Sodium iodide
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    10.91% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 12.
    The enzyme that converts glucose to ethyl alcohol is:

    a 
    Invertase
    b 
    Maltase
    c 
    Zymase
    d 
    Diastase

    Explanation:
    Subject: 
    GENERAL SCIENCE
    37.50% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 13.
    When there are two electrons in the same orbital, they have:

    a 
    same spin
    b 
    opposite spin
    c 
    same or opposite spin
    d 
    no spin

    Explanation:
    Subject: 
    GENERAL SCIENCE
    58.93% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 14.

    The major harmful gas emitted by automobile vehicle which causes air pollution is

    a 
    Carbon Monoxide
    b 
    Methane
    c 
    Carbon dioxide
    d 
    ozone gas
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    70.18% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 15.
    What is the most commonly used substance in fluorescent tubes?

    a 
    Sodium oxide and argon
    b 
    Sodium vapour and neon
    c 
    Mercury vapour and argon
    d 
    Mercury oxide and neon

    Explanation:
    Subject: 
    GENERAL SCIENCE
    26.42% users answered right
    Correct Answer: c
    Comment · 1 · 
  • 16.
    What is “milk of magnesia” chemically?

    a 
    Magnesium carbonate
    b 
    Sodium bicarbonate
    c 
    Calcium hydroxide
    d 
    Magnesium hydroxide

    Explanation:
    Subject: 
    GENERAL SCIENCE
    29.63% users answered right
    Correct Answer: d
    Comment · 1 · 
  • 17.
    Soap is prepared by boiling caustic soda with

    a 
    Alcohol
    b 
    Kerosene oil
    c 
    Glycerine
    d 
    Fats

    Explanation:
    Subject: 
    GENERAL SCIENCE
    39.29% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 18.
    Which of the following is chiefly present in LPG (liquefied Petro leum Gas)

    a 
    Methane
    b 
    Ethane
    c 
    Propane
    d 
    Butane

    Explanation:
    Subject: 
    GENERAL SCIENCE
    31.48% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 19.
    Which among the following metals provides amphoteric oxide?

    a 
    Sodium
    b 
    Silver
    c 
    Aluminium
    d 
    Calcium

    Explanation:
    Subject: 
    GENERAL SCIENCE
    51.02% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 20.
    Which among the following stage is suitable indicator when solution carbonate is mixed with sulphuric acid?

    a 
    Methylene blue
    b 
    Methyl red
    c 
    Phenolphthaline
    d 
    Methyl orange

    Explanation:
    Subject: 
    GENERAL SCIENCE
    39.13% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 21.
    Quartz is made of

    a 
    Calcium Sulphate
    b 
    Calcium Silicate
    c 
    Sodium Sulphate
    d 
    Sodium Silicate

    Explanation:
    Subject: 
    GENERAL SCIENCE
    33.33% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 22.
    Isobars are lines joining places having equal

    a 
    Rainfall
    b 
    Pressure
    c 
    Population
    d 
    Height above sea-level

    Explanation:
    Subject: 
    GENERAL SCIENCE
    55.77% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 23.
    The most suitable vessel for storing concentrated sulphuric acid is

    a 
    Copper vessel
    b 
    Aluminium vessel
    c 
    Glass vessel
    d 
    Earthen vessel

    Explanation:
    Subject: 
    GENERAL SCIENCE
    78.85% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 24.
    What is the element that is in the highest percentage in the composition of the earth?

    a 
    Silicon
    b 
    Oxygen
    c 
    Magnesium
    d 
    Iron

    Explanation:
    Subject: 
    GENERAL SCIENCE
    48.08% users answered right
    Correct Answer: b
    Comment · 1 · 
  • 25.
    The advantage of detergents over soaps is

    a 
    Detergents are soluble in water
    b 
    Detergents could not give much lather
    c 
    Detergents give lather even with hard water
    d 
    Soaps give lather with only soft water

    Explanation:
    Subject: 
    GENERAL SCIENCE
    65.45% users answered right
    Correct Answer: c
    Comment · 1 · 
  • 26.

    Which of the following gases will effuse out of football bladder most quickly?

    a 
    He
    b 
    H2
    c 
    N2
    d 
    O2

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.83% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 27.
    In which of the following substances all carbon atoms are quaternary in nature?

    a 
    Graphite
    b 
    Diamond
    c 
    Teflon
    d 
    Napthalene

    Explanation:
    Subject: 
    GENERAL SCIENCE
    47.06% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 28.
    Which of the following is a natural dye?

    a 
    Crystal violet
    b 
    Aniline blue
    c 
    Alizarin
    d 
    Phenolphthalein

    Explanation:
    Subject: 
    GENERAL SCIENCE
    30.61% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 29.
    Saccharin is made up of

    a 
    Toluene
    b 
    Phenol
    c 
    Propane
    d 
    Butane

    Explanation:
    Subject: 
    GENERAL SCIENCE
    34.69% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 30.
    Which of the following vegetables oils does not contain essential fatty acids?

    a 
    Sunflower oil
    b 
    Mustard  oil
    c 
    Coconut oil
    d 
    Groundnut oil

    Explanation:
    Subject: 
    GENERAL SCIENCE
    42.59% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 31.
    The metallic constituents of hard water are:

    a 
    Magnesium , calcium and tin
    b 
    Iron, tin and calcium
    c 
    Calcium , magnesium and iron
    d 
    Magnesium, tin and iron

    Explanation:
    Subject: 
    GENERAL SCIENCE
    62.00% users answered right
    Correct Answer: c
    Comment · 1 · 
  • 32.

    Which of the following fibres catches fire least?

    a 
    Nylon
    b 
    Cotton
    c 
    Rayon
    d 
    terrycloth
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    32.69% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 33.
    Which of the following alloy is used in making magnet?

    a 
    Duralumin
    b 
    Stainless steel
    c 
    Elniko
    d 
    Magnalium

    Explanation:
    Subject: 
    GENERAL SCIENCE
    26.92% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 34.

    Which of the following is the main nitrogenous waste in humans?

    a 
    Ammonia
    b 
    Urea
    c 
    Uric Acid
    d 
    Ammonium Nitrate
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    49.09% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 35.
    Cloud is a colloidal dispersion of

    a 
    Air in a dispersion medium of water
    b 
    Fog in a  dispersion medium of water
    c 
    Mist in a dispersion medium of air
    d 
    Water drops in a dispersion medium of air

    Explanation:
    Subject: 
    GENERAL SCIENCE
    42.31% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 36.
    Which of the following is the petroleum wax?

    a 
    Bees wax
    b 
    Carnauba wax
    c 
    Paraffin wax
    d 
    Jojoba wax

    Explanation:
    Subject: 
    GENERAL SCIENCE
    79.59% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 37.
    Detergents used for cleaning clothes and utensils contain

    a 
    nitrates
    b 
    bicarbonates
    c 
    sulphonates
    d 
    bismuthates

    Explanation:
    Subject: 
    GENERAL SCIENCE
    30.00% users answered right
    Correct Answer: c
    Comment · 1 · 
  • 38.

    Which of the following is used in making smoke bombs?

    a 
    Sulphur
    b 
    Phosphorous
    c 
    Hydrogen
    d 
    Carbon
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    56.86% users answered right
    Correct Answer: b
    Comment · 1 · 
  • 39.
    Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc.?

    a 
    Iron and cadmium
    b 
    Nickel and cadmium
    c 
    Lead peroxide and lead
    d 
    Zinc and carbon

    Explanation:
    Subject: 
    GENERAL SCIENCE
    54.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 40.
    Which of the following is a super cooled liquid?

    a 
    Ice cream
    b 
    Teflon
    c 
    Glass
    d 
    Mercury

    Explanation:
    Subject: 
    GENERAL SCIENCE
    48.08% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 41.
    The first metal used by a man was

    a 
    Copper
    b 
    Silver
    c 
    Bronze
    d 
    Brass

    Explanation:
    Subject: 
    GENERAL SCIENCE
    59.62% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 42.

    Which of the following is used to remove rust stains on cloth?

    a 
    kerosene
    b 
    Lime
    c 
    Oxalic and solution
    d 
    Petrol
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    50.00% users answered right
    Correct Answer: b
    Comment · 1 · 
  • 43.
    Tear gas is :

    a 
    Chloroprene
    b 
    Carbonyl chloride
    c 
    Nitrous oxide
    d 
    Bleaching powder

    Explanation:
    Subject: 
    GENERAL SCIENCE
    24.49% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 44.
    Which of the following is used to restore the colour of old oil paintings?

    a 
    Ozone
    b 
    Hydrogen peroxide
    c 
    Barium peroxide
    d 
    Sodium peroxide

    Explanation:
    Subject: 
    GENERAL SCIENCE
    34.78% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 45.
    A polymeric substance used to make parachute is

    a 
    Rayon
    b 
    Viscose
    c 
    Cotton
    d 
    Terylene

    Explanation:
    Subject: 
    GENERAL SCIENCE
    31.25% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 46.

    Heat resistant variety of glass is—

    a 
    Pyrex glass
    b 
      Hard glass
    c 
    Flint glass
    d 
    None of these
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    46.51% users answered right
    Correct Answer: a
    Comment · 3 · 
  • 47.
    Pasteurisation of milk means

    a 
    heating of milk to above 720c
    b 
    heating of milk to above 620c
    c 
      cooling of milk to about  620c
    d 
    cooling of milk to about  100c

    Explanation:
    Subject: 
    GENERAL SCIENCE
    34.88% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 48.
    Impure camphor is purified by

    a 
    Sublimation
    b 
    fractional crystallisation
    c 
    fractional distillation
    d 
    steam distillation

    Explanation:
    Subject: 
    GENERAL SCIENCE
    41.67% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 49.

    Sour taste of CocaCola is due to the presence of

    a 
    acetic acid
    b 
    phosphoric acid
    c 
    hydrochloric acid
    d 
    formic acid
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    55.32% users answered right
    Correct Answer: a
    Comment · 2 · 
  • 50.
    Iodised salt is beneficial for

    a 
    lowering of blood pressure
    b 
    prevention of dehydration
    c 
    thyroid function
    d 
    salivary glands
    Explanation:
    Subject: 
    GENERAL SCIENCE
    57.69% users answered right
    Correct Answer: c
    Comment · 0 ·