What is the ratio of masses of hydrogen and oxygen in the water?
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When iron is exposed to moist air, a reddish brown coating of hydrated Iron (III) Oxide (Fe2O3) is deposited on its surface. This reddish brown coating is called
Constantan is alloyed from ...... metals.
Iron and manganese present as pollutants in water cannot be removed by_____
Give an example of a salt which gives an aqueous solution of pH less than 7.
Release of which among the following is the primary reason for depletion of the ozone layer?
Name the reddish brown gas evolved when Lead Nitrate is heated strongly.
The Chemical formula of Acetic acid is _____.
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