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.

Q 1 - Which among the following is largely used in cooking gas?

A - Liquefied methane

B - Liquefied butane

C - Liquefied hydrogen

D - Liquefied ethane

Answer : B

Explanation

Cooking gas is actually liquefied butane and isobutene.

Q 2 - The concept of orbital i.e. elliptical & spherical was defined by …

A - Thomson’s model

B - Rutherford’s model

C - Summerfield’s model

D - Plank’s Quantum theory

Answer : B

Explanation

Summerfield further explained the Bohr’s model.

Q 3 - What is chemical name of White vitriol?

A - Sodium carbonate

B - Sodium bicarbonate

C - Zinc sulphate

D - Calcium sulphate

Answer : C

Explanation

N/A

Q 4 - Brass is constituted of …….

A - Copper and Zinc

B - Zinc and Nickel

C - Copper and Tin

D - Copper and Nickel

Answer : A

Explanation

N/A

Q 5 - Why does silver turn black?

A - Reaction with sulfur

B - Reaction with hydrogen

C - Reaction with Nitrogen

D - A & B

Answer : D

Explanation

The chemical reaction that occurs after coming in contact with sulfur or hydrogen makes silver black.

Q 6 - The process used for making lubricants and synthetic fuel, is known as …

Answer : A

Explanation

The process is developed by German chemist, Friedrich Bergius.

Q 7 - …………… is used in dry cleaning of garments.

A - Tetrachloroethylene

B - Lemon

C - Only detergent

D - Diesel

Answer : A

Explanation

Dry cleaning is a technique of cleaning cloth and other textiles with the help of chemical solvent; no water is used.

Q 8 - Which among the following is used in crockery?

A - Lexan

B - Melamine

C - Styrene butadiene

D - Bakelite

Answer : B

Explanation

N/A

Q 9 - Selenium (Se) is an element of …

Answer : B

Explanation

Atomic number of Selenium is 34.

Q 10 - Consider the following statements:

1. Bismuth is found in independent state.

2. Bismuth is very less reactive.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

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:

Answer : C

Explanation

N/A

Q 12 - Consider the following statements:

1. Cellulose can be hydrolyzed to glucose and then converted to enthanol by fermentation.

2. Fermentation process can also be used to produce a series of oxygenated compounds including alcohols.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 13 - Which among the following is also known as pearl ash?

A - Potassium carbonate

B - Potassium bicarbonate

C - Sodium carbonate

D - Calcium carbonate

Answer : A

Explanation

The chemical formula of potassium carbonate is K₂CO₃.

Q 14 - Iron rust is …

Answer : A

Explanation

Rust is red oxide usually formed by the redox reaction.

Q 15 - Which among the following is used in ice factory?

Answer : D

Explanation

The chemical formula of ammonia is NH3.

Q 16 - In reference to Modern periodic table, consider the following statements:

1. d-block elements are known as transition elements.

2. f-block elements are known as inner transition elements.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

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.”