Calculate the mass of $1 \mathrm{ml}$ of hydrogen at NTP.

Important Questions on Basic Concepts Atoms & Molecules

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 19

Find the volume occupied by $6.023\times {10}^{23}$ molecules of oxygen at NTP?

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 20

$5.6$ litres of gas at NTP weighs $8.25 \mathrm{gms}$. Calculate its vapour density.
 

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 21

Calculate the density of nitrogen at NTP.

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 22

Calculate the number of electrons present in $0.3$ moles of electrons.

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 23

How many moles of water should be electrolyzed to produce $80\mathrm{g}$ of oxygen?

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 24

Find out the amounts of magnesium and oxygen consumed to prepare $60\mathrm{g}$of magnesium oxide.

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 25

 What would be the volume of $44$ grams of ${\mathrm{CO}}_2$ at NTP?

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 2 - Basic Concepts Atoms & Molecules>QUESTIONS>Q 26

What volume of ${\mathrm{CO}}_2$ is liberated at NTP from $0.1$ mole of ${\mathrm{CaCO}}_3$?