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Question 1
The chemical(s) most commonly used for cloud seeding or 'artificial rainmaking’ is/are
Question 2
The term brown air is used for
Question 3
Phosphorus is kept in water because
Question 4
Chemical name of vinegar is ?
Question 5
Which is the heaviest metal among the following?
Question 6
Which of the following is used as anaesthetics?
Question 7
The beach sands of Kerala are rich in _______.
Question 8
Nylon threads are made of
Question 9
Which of the following is not a donor atom?
Question 10
Which of the following is a natural polymer?
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Mar 20SSC & Railway