The mass of an atom of nitrogen is:

Important Questions on Concept of Atomic, Molecular and Equivalent Masses

EASY

NDA & NA EE

IMPORTANT

Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 4 - Concept of Atomic, Molecular and Equivalent Masses>Practice Exercise>Q 17

How many atoms are present in one mole of ${\mathrm{H}}_2{\mathrm{SO}}_4?$

EASY

NDA & NA EE

IMPORTANT

Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 4 - Concept of Atomic, Molecular and Equivalent Masses>Practice Exercise>Q 18

$2 \mathrm{g}$ of oxygen contain the number of atoms equal to that, contained in:

EASY

NDA & NA EE

IMPORTANT

Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 4 - Concept of Atomic, Molecular and Equivalent Masses>Practice Exercise>Q 19

The number of sulphur atoms in $40 \mathrm{g}$ is:

EASY

NDA & NA EE

IMPORTANT

Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 4 - Concept of Atomic, Molecular and Equivalent Masses>Practice Exercise>Q 20

Number of atoms in $4.25 \mathrm{g}$ of ${\mathrm{NH}}_3$ is (approx.):

EASY

NDA & NA EE

IMPORTANT

Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 4 - Concept of Atomic, Molecular and Equivalent Masses>Practice Exercise>Q 21

Which of the following has maximum number of atoms?

EASY

NDA & NA EE

IMPORTANT

Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 4 - Concept of Atomic, Molecular and Equivalent Masses>Practice Exercise>Q 22

The mass of a molecule of water is:

EASY

NDA & NA EE

IMPORTANT

Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 4 - Concept of Atomic, Molecular and Equivalent Masses>Practice Exercise>Q 23

Which of the following has largest number of atoms?

EASY

NDA & NA EE

IMPORTANT

Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 4 - Concept of Atomic, Molecular and Equivalent Masses>Practice Exercise>Q 24

The number of moles of ${\mathrm{CO}}_2$ which contain $16 \mathrm{g}$ of oxygen is: