1.
Isotopes differs in

2.
The mass of one mole of electron is

3.
The volume occupied by 1.4g CO at S.T.P is

4.
The number of atoms in a molecule determines

5.
Which of the following set has all species isoelectronic

6.
Which element has same isotopes like palladium

7.
Water absorber used in combustion analysis is

8.
A limiting reactant is one which

9.
The type of filtering media used for filtration depending upon

10.
A safe and more reliable method for drying the crystal is