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B
Water forming
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C
Fire forming
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D
Gas
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Solution
The correct option is B
Water forming
Hydrogen (H) is a colorless, odorless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements.
The hydrogen atom has a nucleus consisting of a proton bearing one unit of positive electrical charge; an electron, bearing one unit of negative electrical charge, is also associated with this nucleus.
Hydrogen is an odorless gas, a highly flammable element, that occurs as a diatomic molecule.
The name hydrogen comes from the Greek word hydro and genes, which means water forming.
Therefore, the correct option is (B) i.e. water forming