Who stated the following law : 'The properties of the elements are the periodic function of their atomic masses'?
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Which of the following compounds has a double bond?
The credit for classifying the elements on the basis of their atomic masses goes to
Which of the following disease is not caused by water pollution?
Which of the following is a metabolic function of skin?
In which of the following plants are buds produced in the notches along the leaf margin?
___ has naked seeds.
"Betting and gambling" is listed in the __________ list given in the Seventh Schedule in the Constitution of India.