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 991hard
The metal ion present in Vitamin B12 is
Question 992medium
The metal present in vitamin B12 is
Question 993medium
Which of the following is not present in RNA
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Question 994hard
The enzyme that converts glucose to ethyl alcohol is :
Question 995hard
The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:
Question 996medium
During fermentation of sugar, the compound which is always formed is :
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Question 997easy
If a buffer solution is diluted its pH
Question 998hard
'Vinegar' is a commercial name of
Question 999hard
The apparatus used to test acidity of aqueous solution is