Chemistry Part 2 Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to Chemistry. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - Enzymes are defined as

A - Protein

B - Lipid

C - Carbohydrate

D - Calcium

Answer : A

Explanation

Enzymes normally accelerate or catalyze the chemical reactions.

Q 2 - Which among the following is used in green glass?

A - Ferrous oxide

B - Ferric oxide

C - Ferous sulphate

D - Zinc oxide

Answer : A

Explanation

The chemical formula of ferrous oxide is FeO.

Q 3 - Which among the following is the lightest gas?

A - Hydrogen

B - Oxygen

C - Carbon dioxide

D - Argon

Answer : A

Explanation

Hydrogen is colorless and highly flammable gas.

Q 4 - In reference to periodic table, alkaline earth metals belong to

A - Group 2

B - Group 11

C - Group 15

D - Group 16

Answer : A

Explanation

N/A

Q 5 - In reference to periodic table, chalcogens belong to

A - Group 2

B - Group 11

C - Group 15

D - Group 16

Answer : D

Explanation

N/A

Q 6 - Sodium (Na) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : A

Explanation

Atomic number of Sodium is 11.

Q 7 - Which among the following is the main constituent of shampoo?

A - Sodium lauryl sulfate

B - Calcium lauryl sulfate

C - Magnesium chloride

D - A & C

Answer : A

Explanation

Sodium lauryl sulfate is used to soften the water.

Q 8 - Which among the following is the heaviest gas?

A - Radon

B - Neon

C - Nitrogen

D - Hydrogen

Answer : A

Explanation

Radons density is 9.73 g/L.

Q 9 - Which among the following is the first compound synthesized in laboratory?

A - Potassium

B - Urea

C - Nitrous oxide

D - Calcium phosphate

Answer : B

Explanation

Chemical formula of urea is CO(NH2)2.

Answer : A

Explanation

The calcium bicarbonate and magnesium cause temporary hardness.

Q 11 - Astatine (At) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : B

Explanation

Atomic number of Astatine is 85.

Q 12 - Which among the following is used in a rocket engine?

A - Hydrogen peroxide

B - Heavy water

C - Liquid hydrogen

D - Highly refined petrol

Answer : C

Explanation

N/A

Q 13 - Zirconium (Zr) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : C

Explanation

Atomic number of Zirconium is 40.

Q 14 - Which among the following is used in making chloroform?

A - Ammonia

B - Ether

C - Ethylene

D - Methane

Answer : D

Explanation

N/A

Q 15 - Consider the following statements:

1. Lead oxide is also known as Litharge.

2. Lead oxide is used in rubber industries in manufacturing of storage batteries and flint glass.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

N/A

Q 16 - Which among the following is used as sterilizer?

A - Hydrogen

B - Chlorine

C - Natural gas

D - Sulfur dioxide

Answer : B

Explanation

N/A

Q 17 - The process, used for making sodium metal by electrolysis of molten sodium chloride, is known as

A - Bergius Process

B - Bosch Process

C - Down Process

D - Frasch Process

Answer : C

Explanation

N/A

Q 18 - Which among the following is used to stop bleeding?

A - Ferric chloride

B - Calcium chloride

C - Potassium

D - Phosphorous

Answer : A

Explanation

Chemical formula of ferric chloride is FeCl3.

Q 19 - Which among the following is not a noble metal?

A - Ag

B - Au

C - Pt

D - Ni

Answer : D

Explanation

Ni, which is nickel, is not a noble metal.

Q 20 - Ytterbium (Yb) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : D

Explanation

Atomic number of Ytterbium is 70.

chemistry_part2_online_quiz.htm
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