Kerala Board Solutions for Chapter: Acids and Alkalis, Exercise 4: Exercise 4
Author:Kerala Board
Kerala Board Science Solutions for Exercise - Kerala Board Solutions for Chapter: Acids and Alkalis, Exercise 4: Exercise 4
Attempt the free practice questions on Chapter 3: Acids and Alkalis, Exercise 4: Exercise 4 with hints and solutions to strengthen your understanding. Science for Class 7 - Part 1 solutions are prepared by Experienced Embibe Experts.
Questions from Kerala Board Solutions for Chapter: Acids and Alkalis, Exercise 4: Exercise 4 with Hints & Solutions
MEDIUM
7th Kerala Board
IMPORTANT
You can dip red hibiscus paper and red litmus paper in water, buttermilk, vinegar, soap solution, lime water, salt solution, sugar solution, milk and clear ash suspension, and observe what happens. Which are the liquids in which red hibiscus paper turns blue? Which are the liquids in which red litmus paper turns blue?

MEDIUM
7th Kerala Board
IMPORTANT
Just as you prepared hibiscus paper, you can prepare similar papers by rubbing different substances on white paper. What are the substances that can be used?
