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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?
What are the important factors for seed germination?
What are the numbers of moles of COтВВ which contains 16 g of oxygen?
What are the sex cells called