Subject Experts Solutions for Chapter: Acids, Bases and Salts, Exercise 3: Time to Think

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Subject Experts Science Solutions for Exercise - Subject Experts Solutions for Chapter: Acids, Bases and Salts, Exercise 3: Time to Think

Attempt the practice questions on Chapter 5: Acids, Bases and Salts, Exercise 3: Time to Think with hints and solutions to strengthen your understanding. Galaxy Science in Everyday Life solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Acids, Bases and Salts, Exercise 3: Time to Think with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Time to Think>Q 1

You are given three test tubes A, B and C. Each contains some colourless liquid. How would you identify their acidic, basic or neutral nature if you are given phenolphthalein solution as indicator? 

MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 5 - Acids, Bases and Salts>Time to Think>Q 2

Blue litmus does not change its colour in a solution of sodium hydroxide and sulphuric acid. Why?