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Only two boxes are heavier than box J. So, box J must be 3 rd heaviest. Equal number of boxes are heavier and lighter than box L. So, box L must be 4 th heaviest. _ > _ > P > R > _ > _ > _ Box K is heavier than box M, which is heavier than box O, which is not the lightest. Box N is heavier than box K. So, box N must be heaviest box. Also, box P must be the lightest. N > K > J > L > M > O > P
Water gas is the mixture of
Spirit in contact with body gives cool sensation because it is:
Which type of fire extinguisher is used for petroleum fire?
Which of the inert gases can form compounds?
Chemical name of bleaching powder is
One property of ammonia is
Which one of the following is an example of a gel?
Ozone layer is present in
When water itself combines chemically with some element or mineral it is called
The element used for making solar cells is