Subject Experts Solutions for Chapter: Air and Oxygen, Exercise 2: PRACTICE QUESTIONS (COMPETITION WING)

Which amongst the following processes does not add suspended particulate matter (SPM) to air?

Hydrogen sulphide from air is removed by passing air through

Which of the following substance is used in refrigerators?

Which of the following distinguishes respiration from combustion?

Global warming is mainly due to _____.

Which of the following minerals does not contain oxygen?

$\mathrm{X}+{\mathrm{O}}_2\to \mathrm{Y}; \mathrm{Y}+{\mathrm{H}}_2\mathrm{O}\to \mathrm{Z}; \mathrm{Z}$ turns red litmus to blue, then $\mathrm{X}$ may be

Tropospheric atmosphere is turbulent. Which of the following reasons can be attributed to this?