Matter can be divided into two types i.e. mixture and pure substance.

Nowadays, “amu” is replaced by ____

1 u = Ma/NA.

The observation of ______ properties needs a chemical change to occur.

How many significant figures does 63180 have?

In glucose simplest ratio between C, H and O is ____

Which of the following is not true regarding balanced chemical equations?

The exact value is 150m. A students record it as 140.1m in 1st turn and 140.8m in the 2nd turn. Comment his/her recordin…