XI-CHE-L:1-P-2

............... is defined as the mass of one mole of a substance.

• Atomic number

• atomic weight

• molar volume

• molar mass

The volume occupied by one mole of any substance in the gaseous state at a given temperature and pressure is ................

• molar mass

• atomic mass

• atomic number

• molar volume

Basicity of Sulphuric acid (H₂SO₄) is

• 1

• 3

• 4

• 2

Molar mass of sulphuric acid (H₂SO₄)is ..............

• 98

• 42

• 56

• 85

The empirical formula of acetic acid is............

• CH₂O

• CH₃O

• CH₄O

• C₃HO

Atomic mass of carbon is ..............

• 12

• 15

• 13

• 19

Atomic mass of hydrogen is...............

• 7

• 8

• 1

• 2

Atomic mass of oxygen is ..............

• 16

• 12

• 14

• 19

Gram equivalent mass is defined as the mass of an element (compound or ion) that combines or displaces

...............g hydrogen

• 1.008

• 10.08

• 100.8

• 0.0001

Empirical formula is derived from ....................

• molecular formula

• element

• % of abundance