What did Dalton propose?

Could Dalton’s atomic theory explain the laws of chemical combinations?

1 mole of ammonia is of 17 g. Then what is the mass of 0.3 moles of ammonia?

1 u = Ma/NA.

What does Sushruta Samhita explain?

Rasopanishada says how the gunpowder mixture is used in war.

Which of the following may be an incorrect statement?

Which among the three states of matter has a definite shape and size?