Question

Match list I with list II:

List I		List II
A	K	I	Thermonuclear reactions
B	KCl	II	Fertilizer
C	KOH	III	Sodium potassium pump
D	Li	IV	Absorbent of CO2

Choose the correct answer from the options given below:

• A. A-III, B-II, C-IV, D-I
• B. A-IV, B-II, C-I, D-III
• C. A-IV, B-III, C-I, D-II
• D. A-V, B-I, C-IV, D-II

Hint:

KCl is often used as a fertilizer because potassium is an essential nutrient for plant growth, and KOH’s role in the sodium-potassium pump is vital for maintaining cellular function.

Answer 1

The Correct Option is C

- A. KCl: KCl is used in thermoluminescent reactions, making it related to the light-emitting properties of certain compounds.
- B. KCl: KCl is also a fertilizer as it contains potassium and chlorine.
- C. KOH: KOH is essential for the sodium-potassium pump, which is crucial for cell function and active transport.
- D. KOH: KOH is an absorber of CO\(_2\) because of its basic nature and ability to neutralize CO\(_2\).
Thus, the correct matching is A-IV, B-III, C-I, D-II.