Chemistry Part 2 Online Quiz

Q 1 - Enzymes are defined as

A - Protein

B - Lipid

C - Carbohydrate

D - Calcium

Q 2 - Consider the following statements:

1. The number of proton or electron in an atom of the element is called atomic number.

2. The sum of number or protons and neutrons in an atom of the element is known as mass number.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Q 3 - Consider the following statements:

1. Compounds are the pure substances those are composed of two or more different elements in fixed proportion by mass.

2. The properties of a compound are completely different from those of the elements from which it is made.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Q 4 - If someone reduces the volume of gas at a constant temperature, what will be the impact on pressure?

A - It will increase

B - It will decrease

C - It will remain same

D - First it will increase, but later decrease

Q 5 - The process, used for extracting Sulphur from subterranean deposits, is known as

A - Bergius Process

B - Bosch Process

C - Down Process

D - Frasch Process

Q 6 - Primarily, the group of hydrogen, ., and . were responsible for the origin of life.

A - Oxygen and Sodium

B - Oxygen and Nitrogen

C - Oxygen and Carbon dioxide

D - Carbon dioxide and Nitrogen

Q 7 - The number of period in the modern periodic table is

A - 7

B - 9

C - 5

D - 11

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

A - Lexan

B - Melamine

C - Styrene butadiene

D - Bakelite

Q 9 - To decrease the freezing point is used.

A - Ethylene glycol

B - Butyl glycol

C - Propane

D - Acetylene

Q 10 - Which among the following is used in discharge tube glow light?

A - Argon

B - Helium

C - Neon

D - Hydrogen

Q 11 - Astatine (At) is an element of

A - s block

B - p block

C - d block

D - f block

Q 12 - Which among the following defines the heavy water?

A - H₂O₂

B - D₂O

C - 2H₂O

D - 3H₂O

Q 13 - Copper (Cu) is an element of

A - s block

B - p block

C - d block

D - f block

Q 14 - Rhodium (Rh) is an element of

A - s block

B - p block

C - d block

D - f block

Q 15 - Palladium (Pd) is an element of

A - s block

B - p block

C - d block

D - f block

Q 16 - Calcium carbonate is used in

A - Lime and toothpaste

B - Cement industry

C - Bleaching action

D - Ointment

Q 17 - Which among the following gases is used in anesthetic in dental surgery?

A - Nitrogen

B - Acetylene

C - Neon

D - Nitrous oxide

Q 18 - Gadolinium (Gd) is an element of

A - s block

B - p block

C - d block

D - f block

Q 19 - Holmium (Ho) is an element of

A - s block

B - p block

C - d block

D - f block

Q 20 - Which one of the following laws states that the volume of a given mass of gas at a constant temperature is inversely proportional to its pressure.

A - Beers law

B - Boyles law

C - Charles law

D - Faradays law