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Question 1
When iron rusts, its weight …..
Question 2
Ozone is a ______ of oxygen?
Question 3
Which one of the following is responsible for the stimulating effect of tea?
Question 4
Which one of the following when dissolved in H2O gives hissing sound?
Question 5
Which one of the following is heavy water used in nuclear reactor?
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Mar 12CDS & Defence
