Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Surface Chemistry

Question:

Which of the following can be used to cause artificial rain?

Options:

Silver nitrate

Silver iodide

Silver chloride

Silver sulphate

Correct Answer:

Silver iodide

Explanation:

Spraying colloidal dust with opposing charges, sand, or silver iodide precipitates on clouds will make them produce rain. As a result, the two colloids undergo a neutralization reaction, which results in the coagulation of water droplets that fall as rain.