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 - Consider the following statements:

1. The activity of chemical reaction increases as temperature increases.

2. Molecular motion decreases at higher temperature.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : A

Explanation

Molecular motion increases at higher temperature.

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.

Answer : B

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.

Q 5 - . is used in refrigerator.

A - Ammonia

B - Carbon dioxide

C - Ozone

D - Fluorine

Answer : A

Explanation

The modern refrigeration technology normally uses a refrigerant known as HFC-134a.

Q 6 - Consider the following statements:

1. Painkillers are known as analgesics.

2. Oftoxaim is an example of analgesic drug.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : A

Explanation

Otoxaim destroys microorganism. Examples of Analgesics are aspirin, paracetamol, and morphine.

Q 7 - What is chemical name of Philosophers wool?

A - Calcium sulphate

B - Zinc oxide

C - Zinc oxide

D - Calcium oxide

Answer : B

Explanation

Philosophers' Wool means white snow.

Q 8 - Which among the following is not a noble metal?

A - Ir

B - Hg

C - Po

D - Pd

Answer : C

Explanation

Po, which is Polonium, is not a noble metal.

Q 9 - Which among the following is used in laughing gas?

A - Carbon dioxide

B - Nitrous oxide

C - Water gas

D - Carbon monoxide

Answer : B

Explanation

N/A

Q 10 - Consider the following statements:

1. The reaction of ferric oxide with aluminum is used to fill the gaps of railway tracks.

2. The reaction of ferric oxide with aluminum is known as thermite.

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 11 - Which among the following is used in poison?

A - Mercury

B - Mercuric oxide

C - Mercuric chloride

D - Aluminium sulphate

Answer : B

Explanation

The chemical formula of mercuric oxide is HgO.

Answer : D

Explanation

Wilson disease occurs when excessive copper gets deposited in the liver, brain, and in some other tissues.

Q 13 - Consider the following statements:

1. Glycogen is the reserve carbohydrate of animals.

2. Glycogen is reserved in the liver and muscles tissues.

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 - Iridium (Ir) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : C

Explanation

Atomic number of Iridium is 77.

Q 15 - Formic acid can be obtained from

A - Red ants

B - Citrus fruits

C - Papaya

D - Tomato

Answer : A

Explanation

It is also present in the venom by honey bee.

Q 16 - Consider the following statements:

1. Aufbau is a German word meaning building-up.

2. The Aufbau principle states that the electrons are filled in various orbits in order of their increasing energies.

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

According to this principle, an orbital of lowest energy will be filled first and then the second order and so on and so forth.

Answer : B

Explanation

N/A

Q 18 - Europium (Eu) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : D

Explanation

Atomic number of Europium is 63.

Q 19 - Which among the following is used in dye industry?

A - Chlorine

B - Hydrochloric acid

C - Bromine

D - Idone

Answer : C

Explanation

The chemical formula of Bromine is Br2.

Q 20 - A human body contains of Oxygen.

A - 65%

B - 75%

C - 55%

D - 33%

Answer : A

Explanation

N/A

chemistry_part2_online_quiz.htm
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