Question

4) State whether the following statements as True or False
1) When a candle burns, both physical and chemical changes
take place-

2) A naerobic bacteria digest animal waste and produce biogas-

3) Ships suffer a lot of damage through they are painted-

4) Stretching of rubber band is not a physical change-

5) Melting of wax is a change where a solid change to liquid state. Give one more such examples change which you observe in your surrounding-

Please Help Me Urgently ​

Answer 1

Answer:

a) true (b) true c) false d) true e) false

Answer 2

Answer:

1. True
2. True
3. True
4. False- Stretching of the rubber band is a physical change
5. Melting of ice is another example where solid change to liquid state