Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 1>Q 18

EASY

JEE Main

IMPORTANT

Earn 100

Permanent hardness of water can be removed by:

100% studentsanswered this correctly

Important Questions on Hydrogen

MEDIUM

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 1>Q 19

{KMnO}_{4}

reacts with

H_{2} O_{2}

in an acidic medium. The number of moles of oxygen produced per mole of

{KMnO}_{4}

is:

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 1>Q 20

The molecule which is NOT hydrolysed by water at

25 ° C

is:

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 1>Q 21

The volume strength of

1.5 N H_{2} O_{2}

solution is

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 1>Q 22

The normality of

10 mL

of a

{}^{'}20 V^{'} H_{2} O_{2}

is

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 1>Q 23

In lab, $H_{2} O_{2}$ is prepared by _______.

[CPMT 2002; MH CET 2003, Pb. PMT 2004, BCECE 2005]

MEDIUM

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 1>Q 24

Determine the values of $A, B, C$ and $D$ shown in the figure.

Question Image

MEDIUM

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 1>Q 25

Which of the following groups contain elements which form the molecular hydride?

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 16 - Hydrogen>Level 1>Q 26

The metal, which gives

H_{2}

on treatment with acids and alkalis, is ______