ICSE Class 7 - Physical and Chemical Changes Videos
- Physical and chemical change
- what are reversible changes
- Why is a word equation is only qualitative
- Write a word equation for a reaction in which sodium carbonate reacts with hydrochloric acid
- Liquid expands on
- Liquid expands on ___________.
- What is Endothermic changes ?
- Physical change is also said that no new substance is form but changing of ice into liquid is also new substance forming
- what is fusion
- why we can receive the physical changes
