Pradeep's New Course CHEMISTRY Vol.II>Chapter 9 - Hydrogen>Competition Focus>Q I

EASY

11th CBSE

IMPORTANT

Earn 100

$HCl$ gas is covalent and $NaCl$ is an ionic compound. This is because.

50% studentsanswered this correctly

Important Questions on Hydrogen

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 9 - Hydrogen>Competition Focus>Q I

Select the correct statement/s.

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 9 - Hydrogen>Competition Focus>Q I

C_{6}^{12}

and

T_{1}^{3}

are formed in nature due to the nuclear reaction of neutron with.

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 9 - Hydrogen>Competition Focus>Q I

Hydrogen can be prepared by the action of dil

H_{2} {SO}_{4}

on.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 9 - Hydrogen>Competition Focus>Q I

Which of the following combination will produce

H_{2}

gas?

EASY

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 9 - Hydrogen>Competition Focus>Q I

Which of the following can produce hydrogen from water?

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 9 - Hydrogen>Competition Focus>Q I

When a substance A reacts with water, it produces a combustible gas B and a solution of substance C in water. When another substance D reacts with this solution of C, it produces the same gas B on warming but D can produce gas B on reaction with dilute sulphuric acid at room temperature. An imparts a deep golden yellow colour to a smokeless flame of Bunsen burner. A, B, C and D respectively are.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 9 - Hydrogen>Competition Focus>Q I

Which of the following pairs of substances on reaction will not evolve