state gov MP Patwari (Group 2 Sub Group 4) Mock Test 2025 General Science Chemistry Chemical Reaction
The changes that occur in a compound without changing its chemical composition is called physical changes. Which of the following is true regarding the physical changes?
1
Physical changes can not be reversed
2
Physical changes can not occur by heating or cooling the substance
3
No new product is formed in physical changes
4
No change of state of matter