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Carbon
Ozone
Phosphorus
Sulphur
Vulcanized rubber contains sulphur
Water can be separated from alcohol water mixture by
Water exists both as solid and liquid at-
Water is not effective in extinguishing a fire caused by petrol as
Water is not suitable as a calorimetric substance as it:
Water is used in Heated water of polyethenes because-
Water is used in hot water bags as
Water pipes in hilly areas often burst on a cold frosty night, as
We are able to place a pile of books on the shelf due to
What are metal bearing rocks called?