Which one among the following is a correct sequence of production of coal in the Indian States in descending order?
Which one among the following is a correct sequence of the Indian ports from north to south?
Momentum of a body is
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Refractive index of an optical medium changes with
Protons and neutrons are bound in a nucleus by the
Bases turn red litmus blue and acids turn blue litmus red. A student tested a liquid with a red litmus paper and it stayed red with no change. This shows that the liquid