Question

F. STATE TRUE OR FALSE

1. Sodium hydrogen carbonate is the chemical name of baking soda. T
2. Evaporation of water is a chemical change.
3. Melting of wax and burning of candle both are similar changes
4. Corrosion does not harm the iron objects.
5. Chemical changes are always reversible.​

Answer 1

Explanation:

1. true
2. true bcoz stream is formed and water gets evaporate
3. true both are same process by applying heat you conclude that.
4. false. rusting of iron is type corrosion
5. false , we can make curd from milk but not make milk back from curd.

Answer 2

Answer:

1 true

2 true

3 true

4 false

5 False