Exercises
Jharkhand Board Science Solutions for Exercises
Simple step-by-step solutions to Exercises questions of Physical and Chemical Changes from SCIENCE : CLASS VII. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercises with Hints & Solutions
Cutting a log of wood into pieces is a chemical change.
Formation of manure from leaves is a physical change.
Iron and rust are the same substances.
Condensation of steam is not a chemical change.
When carbon dioxide is passed through lime water, it turns milky due to the formation of _____. (Write the name of compound)
The chemical name of baking soda is sodium _____. (carbonate / hydrogen carbonate / hydroxide)
Changes in which only _____ properties of a substance change are called physical changes.
Changes in which new substances are formed are called _____ changes.
