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Chemistry 1488 MCQs [All-Courses]

oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

Which of the following is not a secondary pollutant_________________?

A ozone

B carbonic acid

C sulphuric acid

D carbon dioxide

Review Detailed Answer

Correct Answer: carbon dioxide

Formation of vapours from the surface of a liquid is called________________?

A vapourization

B evaporation

C condensation

D cracking

Review Detailed Answer

Correct Answer: evaporation

Requirement of macronutrient per acre of the land is_________________?

A 5 to 200 kg

B 20-200 kg

C 200-400 kg

D 30-400 kg

Review Detailed Answer

Correct Answer: 5 to 200 kg

Water has maximum density at __________________?

A 0°C

B 2°C

C 4°C

D 100°C

Review Detailed Answer

Correct Answer: 4°C

Which of the following is not a heavy industry ?

A iron

B fertilizer

C paper

D none

Review Detailed Answer

Correct Answer: none

The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?

A vaporization

B evaporation

C crystallization

D sublimation

Review Detailed Answer

Correct Answer: vaporization

Pollutants have adverse effect over_________________?

A Biosphere

B Ecosystem

C Both a & b

D Hydrosphere

Review Detailed Answer

Correct Answer: Ecosystem

Forces of attraction which may be present between all kinds of atoms and molecules are _____________________?

A intramolecular

B intermolecular

C van der Waal

D Dipole-induced dipole

Review Detailed Answer

Correct Answer: van der Waal

The main product of bacterial action is_________________?

A Nox

B NO2

C N2O3

D NO

Review Detailed Answer

Correct Answer: NO

Hydrogen bonding is involved in____________________?

A Solubility

B Cleansing action of detergents

C Biological molecules

D All

Review Detailed Answer

Correct Answer: All

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Chemistry 1488 MCQs [All-Courses]

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All Topics 1488

Which of the following is not a secondary pollutant_________________?

Formation of vapours from the surface of a liquid is called________________?

Requirement of macronutrient per acre of the land is_________________?

Water has maximum density at __________________?

Which of the following is not a heavy industry ?

The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?

Pollutants have adverse effect over_________________?

Forces of attraction which may be present between all kinds of atoms and molecules are _____________________?

The main product of bacterial action is_________________?

Hydrogen bonding is involved in____________________?