R P Rana Solutions for Chapter: Hydrogen, Exercise 1: Check Point

Author:R P Rana

R P Rana Science Solutions for Exercise - R P Rana Solutions for Chapter: Hydrogen, Exercise 1: Check Point

Attempt the practice questions on Chapter 7: Hydrogen, Exercise 1: Check Point with hints and solutions to strengthen your understanding. Its All About Science - Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from R P Rana Solutions for Chapter: Hydrogen, Exercise 1: Check Point with Hints & Solutions

MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Check Point>Q A

What happens when hydrogen is passed over red hot copper oxide.
 

MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Check Point>Q A

What happens when hydrogen reacts with molten sulphur.
 

MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Check Point>Q A

What happens when zinc reacts with dilute hydrochloric acid.
 

MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Check Point>Q A

What happens when calcium reacts with cold water.
 

MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Check Point>Q A

Write some important uses of hydrogen.

MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Check Point>Q A

What is hydrogenation of oils?

MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Check Point>Q A

Write two reduction reactions of hydrogen.

HARD
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 7 - Hydrogen>Check Point>Q A

How hydrogen is used for cutting and welding metals?