What is the chemical name for salt? MCQ with Answer and Explanation

What is the chemical name for salt?

A. Potassium Chloride

B. Magnesium Sulfate

C. Calcium Chloride

D. Sodium Chloride

Answer: Option D

Common table salt is Sodium Chloride (NaCl).

This question belongs to: Static General Knowledge Science and Technology

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Question #1 Report Error

Which chemical element is found in all organic compounds?

A. Sulfur

B. Carbon

C. Oxygen

D. Nitrogen

Correct Answer: Option B

Explanation:
Organic chemistry is defined as the study of carbon-based compounds.

This question belongs to: Static General Knowledge Science and Technology

Question #2 Report Error

What is the use of 'Li-Fi' technology?

A. Sound waves

B. Magnetic fields

C. Data transmission using light

D. Radio waves

Correct Answer: Option C

Explanation:
Li-Fi uses visible light for wireless communication.

This question belongs to: Static General Knowledge Science and Technology

Question #3 Report Error

What is the study of fossils called?

A. Anthropology

B. Geology

C. Paleontology

D. Archaeology

Correct Answer: Option C

Explanation:
Paleontology is the study of ancient life through fossils.

This question belongs to: Static General Knowledge Science and Technology