Question

B. Fill in the blanks with the correct words.
1.
(Burning/Melting) of candle involves both physical and chemical change
2. Eruption of volcano is a
(periodic/non periodic) change.
3. Germination of seed is a
(slow/fast) change.
4. On heating, metals generally
(expand/contract).
5. Wetting of cement in rains is a
(reversible/irreversible) change.​

Answer 1

Explanation:

पढ़ने मेल्टिंग ऑफ द कैंडल इन वॉल बोथ फिजिकल एंड केमिकल चेंज

Answer 2

Answer:

1. melting
2. periodic
3. slow
4. expand
5. reversible

Explanation:

hope it is correct