Chemistry Part 1 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 - ………… converts red litmus paper into blue.

A - Base

B - Acid

C - Salt solution

D - Simple water

Answer : A

Explanation

The red litmus paper turns blue under basic as well as alkaline condition.

Answer : C

Explanation

Electromagnetic waves can travel through the vacuum of outer space.

Q 3 - Which among the following gases is used in electric bulbs and tubes?

A - Nitrogen

B - Acetylene

C - Neon

D - Nitrous oxide

Answer : C

Explanation

Argon and Xenon are also used in electric bulbs and tubes.

Q 4 - Which among the following is used to give signal to airplane on the airport?

A - Nyon lamp

B - Hydrogen lamp

C - Helium lamp

D - Mercury lamp

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 - Magnesium (mg) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : A

Explanation

Atomic number of Magnesium is 12.

Q 7 - Consider the following statements:

1. Antipyretic drug is used to lower the body temperature.

2. Aluminum phosphide is used in rodenticides.

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 8 - Consider the following statements:

1. Detergents are made up of petroleum products.

2. Soaps are the potassium salts of fatty 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

Sodium is also used in soap.

Q 9 - Gallium (Ga) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : B

Explanation

Atomic number of Gallium is 31.

Q 10 - Which among the following is used in rock drilling?

A - Graphite

B - Diamond

C - Carbon monoxide

D - Alum

Answer : B

Explanation

Diamond is also used in glass cutting and making ornaments.

Q 11 - …………………... is used in photo-chromatic glasses.

A - Silver chloride

B - Silver iodide

C - Silver nitrate

D - Zinc oxide

Answer : A

Explanation

Chemical formula of silver chloride is AgCl.

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 - The process by which a material can rise in the air without any support is known as …

A - Quenching

B - Distillation

C - Cupellation

D - Levitation

Answer : D

Explanation

N/A

Answer : A

Explanation

Rust is red oxide usually formed by the redox reaction.

Q 15 - Tungsten (W) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : C

Explanation

Atomic number of Tungsten is 74.

Answer : D

Explanation

Diamond is a bad conductor of heat and electricity.

Q 17 - Which one of the following laws states “that under constant pressure, the volume of a fixed mass of gas varies directly with its absolute temperature.”

A - Beer’s law

B - Boyle’s law

C - Charles’ law

D - Faraday’s law

Answer : C

Explanation

V/T = k

Q 18 - …………. is the most reactive halogen?

A - Chlorine

B - Fluorine

C - Bromine

D - Astatine

Answer : B

Explanation

Fluorine is reactive with almost everything instantly.

Q 19 - Mendelevium (Md) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : D

Explanation

Atomic number of Mendelevium is 101.

Q 20 - Consider the following statements:

1. Rain water is the purest form of water.

2. Rain water is soft water.

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

Rain water does not contain any salts, therefore, it is soft water.

chemistry_part1_online_quiz.htm
Advertisements