Who is credited with the discovery of X-rays?
What is a fertiliser that supplies two or more than two primary nutrients called?
Which of the following is not an equation of motion?
Which of the two temperature scales are same ?
Match the following:
For what was Albert Einstein awarded Nobel Prize?
Minamata disease, a neurological disorder, is caused by eating fish contaminated with which element?
Which of the following is the active component of the air?
According to Mendeleev’s Periodic law, the elements were arranged in the periodic table in the order of…………...?
1 mole of carbon atoms = ______ g of carbon atoms