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1 Inorganic Chemistry MCQs

Quantum numbers are __________?

  • Arithmetical values
  • Numerical values
  • Geometric values
  • Logical values
0 Comments
Correct Answer: B. Numerical values

Explanation:

In atomic theory, quantum numbers are used to describe the unique state of ... Read More Details

2 Physical Chemistry MCQs

The column of a manometer which faces the liquid is ?

  • Raised
  • Depressed
  • Compressed
  • Remains same
0 Comments
Correct Answer: B. Depressed

Explanation:

A manometer is an instrument used to measure pressure differences between a gas ... Read More Details

3 Physical Chemistry MCQs

The process used to separate insoluble particles from liquids is called ___________?

  • Drying
  • Filtration
  • Sieving
  • Extraction
0 Comments
Correct Answer: B. Filtration

Explanation:

Filtration is a common laboratory process used to separate insoluble solid particles from ... Read More Details

4 Physical Chemistry MCQs

The effective volume in gas calculations is usually taken for how many moles of gas?

  • 2 moles of gas
  • 1 mole of gas
  • 5 moles of gas
  • 3 moles of gas
0 Comments
Correct Answer: B. 1 mole of gas

Explanation:

In physical chemistry, the concept of effective volume is commonly used in gas ... Read More Details

5 Inorganic Chemistry MCQs

In the whole periodic table, which element is the strongest reducing agent?

  • Chlorine
  • Lithium
  • Helium
  • Neon
0 Comments
Correct Answer: B. Lithium

Explanation:

A reducing agent is a substance that donates electrons to another substance during ... Read More Details

6 Environmental Chemistry MCQs

Which compound is responsible for destroying the ozone layer?

  • CFCs
  • CH₃COOH
  • Both A & B
  • None of these
0 Comments
Correct Answer: A. CFCs

Explanation:

The ozone layer is a protective layer in the Earth's stratosphere that absorbs ... Read More Details

7 Physical Chemistry MCQs

A scale used to measure the hydrogen ion concentration in a solution is known as ?

  • Thermometer
  • Viscometer
  • pH Scale
  • Stagmometer
0 Comments
Correct Answer: C. pH Scale

Explanation:

The pH scale is a scientific tool used to measure the hydrogen ion ... Read More Details

8 Biology Mcqs

Which of the following is an example of globular proteins?

  • Peptide
  • Enzymes
  • Primary protein
  • Secondary protein
0 Comments
Correct Answer: B. Enzymes

Explanation:

Proteins are complex biomolecules composed of amino acids and play vital roles in ... Read More Details

9 Physical Chemistry MCQs

When ammonia is used as a refrigerant in a vapor compression cycle, which type of tubing is preferred?

  • Copper tubing
  • Steel tubing
  • Both A & B
  • Material does not matter for the refrigerant
0 Comments
Correct Answer: B. Steel tubing

Explanation:

Ammonia (NH₃) is a widely used refrigerant in vapor compression cycles due to ... Read More Details

10 Organic Chemistry MCQs

The solution that remains after crystals have formed is called what?

  • Mother liquor
  • Dilute solution
  • Residue
  • Both A & B
0 Comments
Correct Answer: A. Mother liquor

Explanation:

In crystallization, a common method for purifying solid compounds, crystals form from a ... Read More Details

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