Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemistry in Everyday Life
In which one of the following cases do both physical and chemical changes take place?
1
Burning of candle
2
Freezing of water
3
Cooking of food
4
More than one of the above
5
None of the above