Shikha Goel and Saleha Parvez Solutions for Chapter: Chemical Changes and Reactions, Exercise 3: EXAM PRACTICE

Author:Shikha Goel & Saleha Parvez

Shikha Goel Chemistry Solutions for Exercise - Shikha Goel and Saleha Parvez Solutions for Chapter: Chemical Changes and Reactions, Exercise 3: EXAM PRACTICE

Attempt the practice questions on Chapter 2: Chemical Changes and Reactions, Exercise 3: EXAM PRACTICE with hints and solutions to strengthen your understanding. All In One ICSE Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from Shikha Goel and Saleha Parvez Solutions for Chapter: Chemical Changes and Reactions, Exercise 3: EXAM PRACTICE with Hints & Solutions

MEDIUM
9th ICSE
IMPORTANT

In which of the following process new substance(s) are formed?

MEDIUM
9th ICSE
IMPORTANT

The catalyst used as a promoter for the formation of ammonia gas is

MEDIUM
9th ICSE
IMPORTANT

When crystals of lead nitrate are heated strongly in a dry test tube.

MEDIUM
9th ICSE
IMPORTANT

Dilute hydrochloric acid is added to granulated zinc taken in a test tube, The following observations are recorded. Point out the correct observation.

MEDIUM
9th ICSE
IMPORTANT

On immersing an iron nail in CuSO4 solution for few minutes, you will observe that

MEDIUM
9th ICSE
IMPORTANT

Name the precipitate formed when barium chloride solution is mixed with sodium sulphate solution.

EASY
9th ICSE
IMPORTANT

The products formed by neutralisation reaction are 

MEDIUM
9th ICSE
IMPORTANT

Electrolysis of acidulated water is a decomposition reaction. The molar ratio of hydrogen and oxygen gas liberated during electrolysis of water is