The metal which reacts most violently with with cold water is
Potassium reacts violently with water liberating hydrogen. The reaction is so violent that the liberated hydrogen catches fire.
Ozone hole refers to
Which gas is known as "Fuel of Future" ?
Because of its being pollution free and combustion efficient, Hydrogen gas is called fuel of future. Because of its origin in marshy places, Methane is called as 'Marsh Gas'.
Cutting and peeling of onion brings tears to the eyes because of the presence of _____ ?
Cutting and Peeling of onion brings Tears to the eyes because of presence of Sulphur in the cell.
Which one of the following is a natural colloid ?
All of the following are constituents of RNA molecule except _____
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