Question
Hydrogen was discovered
by:Solution
In 1766, Henry Cavendish  was the first to recognize hydrogen gas as a discrete substance, by naming the gas from a metal-acid reaction "inflammable air".
A mixture of carbon monoxide and hydrogen is known as ______
Diamond is harder than graphite because of which of the following reason?
If water smells bad, then that odor can be removed by adding:
What is the name of the acid in an ant's sting?
In which form is iron ore primarily found in nature?
The washing machine works on the principle of -
Absolute alcohol is prepared from rectified spirit by using the following process :
Who among the following is known for the discovery of atomic-bomb?
Flemings right hand rule is used to find the direction of the –
How can a mixture of sand and salt be separated?
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