Q. The chemical used for cooling in refrigerator is
A) $NH_{4}Cl$
B) $NH_{4}OH$
C) liquid $NH_{3}$
D) $CO_{2}$
Explanation
The correct answer is Option C: liquid $NH_{3}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.