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1. Z lives on 7th floor. 2. Two person live between Z and A. 3. W live immediately above A. 4. There is as many person living living above W as below U.
There is no floor empty for U in CASE2 so CASE2 is cancelled out. 5. T live above Y. 6. Five persons live between Y and D, who lives below Z.
7. Only one person live between Z and V. 8. B live above X but not immediately. 9. X does not live immediately above or immediately below V.
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