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Question 1
Which is not obtained by the destructive distillation of coal?
Question 2
The percentage of nitrogen gas in the air is
Question 3
Which of the following metals is not a mineral?
Question 4
The reaction taking place in sun is
Question 5
Which of the following is a pair of exhaustible natural resources? (JULY-2013)
Question 6
Which of the following three R's are regarded as environment friendly?
Question 7
Which of the following is not a constituent of petroleum?
Question 8
How much percent of earth is covered with water?
Question 9
The component of air used by green plants to make their food is:
Question 10
Which of the following is responsible for the permanent hardness of water?
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Jun 23CTET & State TET Exams
