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 856hard
The chemical name of quartz is
Question 857easy
What is the most common salt in sea water ?
Question 858hard
Fertiliser having high nitrogen content is :
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Question 859hard
Which one of the following is found in kidney stones?
Question 860medium
Which one of the following is not present in cement ?
Question 861hard
The addition of gypsum to portland cement helps in :
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Question 862easy
Which gas is most stable at room temperature?
Question 863medium
Which of the following is used as a preservative to protect processed food?
Question 864easy
Chemical composition of cement is