Lakhmir Singh and Manjit Kaur Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Very Short Answer Type Questions
Lakhmir Singh Science Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Very Short Answer Type Questions
Attempt the practice questions on Chapter 6: Physical and Chemical Changes, Exercise 1: Very Short Answer Type Questions with hints and solutions to strengthen your understanding. AWARENESS SCIENCE for Seventh Class solutions are prepared by Experienced Embibe Experts.
Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Very Short Answer Type Questions with Hints & Solutions
Name a substance which can be purified by crystallisation.
Changes in which new substances are formed are called _____ change.
Souring of milk is a _____ change. (physical / chemical)
The chemical name of baking soda is _____ carbonate.
When carbon dioxide is passed through lime water, it turns milky due to the formation of _____. (Write the chemical name of the compound formed)
The process of depositing a thin layer of zinc on iron objects is called _____. (galvanisation/alloying)
The presence of _____ (sand/salt) in sea water makes the process of rust formation on ships faster.
Some substances can be obtained in a pure state from their solutions by _____.
