Q14 of 805 Page 180

The major problem in harnessing nuclear energy is how to

The major problem in harnessing the nuclear energy is the storage of the nuclear waste. Huge volume of nuclear waste is produced in the reactions. The problem lies not in the storage of huge volume of waste but the harmful radioactive radiations that come out from the waste

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12

In the arrangement shown in given Figure, there are two coils wound on a non-conducting cylindrical rod. Initially the key is not inserted. Then the key is inserted and later removed. Then

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A constant current flows in a horizontal wire in the plane of the paper from east to west as shown in the given Figure. The direction of magnetic field at a point will be North to South

 15

Which of the statements is incorrect?

 16

Write the balanced chemical equations for the following reactions and identify the type of reaction in each case:

(a) Nitrogen gas is treated with hydrogen gas in the presence of a catalyst at 773K to form ammonia gas.


(b) Limestone is heated strongly to form quicklime and carbon dioxide gas is evolved