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.

Answer : C

Explanation

Electromagnetic waves can travel through the vacuum of outer space.

Q 3 - Which among the following elements absorbs both cation and anion forms?

A - Phosphorus

B - Calcium

C - Nitrogen

D - Sulphur

Answer : C

Explanation

N/A

Q 4 - In reference to periodic table, which among the following does not belong to alkali group?

A - Hydrogen

B - Lithium

C - Potassium

D - Beryllium

Answer : D

Explanation

Alkali group belongs to group one.

Answer : A

Explanation

Chemical formula of alum is KAl(SO4)212H2O.

Q 6 - remains in a liquid state at room temperature.

A - Mercury

B - Chromium

C - Lead

D - Zinc

Answer : A

Explanation

N/A

Q 7 - Which among the following is used against the poison?

A - Antibody

B - Antibiotic

C - Antidote

D - Antigen

Answer : C

Explanation

Antidote is a medicine that is used to prevent a disease from having harmful effect in the body.

Q 8 - Silicon (Si) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : B

Explanation

Atomic number of Silicon is 14.

Q 9 - To decrease the freezing point is used.

A - Ethylene glycol

B - Butyl glycol

C - Propane

D - Acetylene

Answer : A

Explanation

N/A

Q 10 - Who among the following has invented Dynamite

A - Alfred Nobel

B - Niels Bohr

C - Richard Feyman

D - Enrico Fermi

Answer : A

Explanation

Dynamite is an explosive, which is made up of nitroglycerin, sorbents, and stabilizers.

Q 11 - Consider the following statements:

1. Air is removed from the electric to prevent oxidation of tungsten.

2. Zirconium burns in nitrogen as well as in oxygen.

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 12 - Which among the following is used in preparing fire proof clothe?

A - Calcium hydride

B - Calcium carbide

C - Calcium carbonate

D - Sodium phosphate

Answer : A

Explanation

N/A

Q 13 - Consider the following statements:

1. Ammonia is used in fertilizers.

2. Ammonia is used in manufacturing nitric acid.

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 14 - Which among the following is used in fluorescent tubes?

A - Ammonia

B - Ether

C - Ethylene

D - Krypton

Answer : D

Explanation

Krypton is also used in high-speed photography.

Q 15 - X-Rays are the bundles of

A - Photons

B - Electrons

C - Neutrons

D - Protons

Answer : A

Explanation

X-rays are a form of electromagnetic radiation.

Q 16 - Which among the following is not an ore of Aluminum (Al)?

A - Corundum

B - Felspar

C - Cryolite

D - Carnalite

Answer : D

Explanation

Carnalite is an ore of Potassium.

Q 17 - Which among the following is used in plastics?

A - Ammonia

B - Ether

C - Ethylene

D - Krypton

Answer : C

Explanation

N/A

Q 18 - Which among the following is used in rubber eraser?

A - Vinyl rubber

B - Polystyrene

C - Styrene butadiene

D - Bakelite

Answer : A

Explanation

N/A

Q 19 - Dysprosium (Dy) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : D

Explanation

Atomic number of Dysprosium is 66.

Q 20 - A human body contains Carbon.

A - 20.6%

B - 18.5%

C - 33.3%

D - 9.2%

Answer : B

Explanation

N/A

chemistry_part2_online_quiz.htm
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