General Knowledge Questions Answer GK Quiz

GK General Knowledge - Chemistry Question Answer Quiz

Q. Which of the following statements is/ are correct -
I. The addition of oxygen to a substance is called oxidation.
II. The removal of hydrogen from a substance is called oxidation.
Correct code is -

1) Only I
2) Only II
3) I and II both
4) Neither I nor II is correct

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Q. Which of the following is a form of 'Calcium Carbonate'?
I. Limestone
II. Marble
III. Chalk
IV. Egg-shells
Correct code is -

1) Only I
2) Only I, II and IV
3) Only I and II
4) I, II, III and IV

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Q. Which of the following does not contribute to the acid rain?
1) Nitrogen Monoxide
2) Sulphur Dioxide
3) Carbon Monoxide
4) Carbon Dioxide

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Q. How many covalent bonds are present in a Chloropropane molecule having molecular formula, C3H7Cl?
1) 6
2) 8
3) 9
4) 10

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Q. Which one of the following is the most fundamental characteristic of an element?
1) Melting point
2) Atomic number
3) Colour
4) Atomic weight

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Q. Neutrons were discovered by -
1) James Chadwick
2) Ernest Rutherford
3) J. J. Thomson
4) John Dalton

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Q. Atomic mass of an element is equal to the sum of number of -
1) electrons and protons only
2) protons and neutrons only
3) electrons and neutrons only
4) electrons, protons and neutrons

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Q. Which one of the following element's isotope is used in the treatment of cancer?
1) Uranium
2) Cobalt
3) Sodium
4) Iodine

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Q. Which one of the following is the largest composition in biogas?
1) Carbon dioxide
2) Methane
3) Hydrogen
4) Hydrogen sulphide

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Q. At nearly 700C, sodium bicarbonate shows the property of gradually decomposing, which makes it usable in bakery products. The product of decomposition responsible for this use of sodium bicarbonate is -
1) Carbon dioxide
2) Hydrogen
3) Water vapour
4) Oxygen

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