Chemistry MCQs
Practice free Chemistry multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 1238 questions — no login required.
Question 244easy
White lung cancer is caused by
Question 245easy
Which of the following is a man-made source of air pollution ?
Question 246hard
Oxide of sulphur present in the atmosphere are washed down by rains to cause :
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Question 247hard
Supersonic jet causes pollution by thinning of
Question 248medium
The pollutant responsible for ozone holes is ________
Question 249hard
Major gaseous pollutant of the thermal power station is
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Question 250medium
The gas causing acid rain in an industrial area is
Question 251medium
A powerful eye irritant present in smog is
Question 252hard
Which of the following is not a natural source of air pollution ?