State whether the following statements are true or false: (a) When a

1.	State whether the following statements are true or false: (a) When a candle burns, both physical and chemical changes take place. (b) Anaerobic bacteria digest animal waste and produce biogas. (c) Ships suffer a lot of damage though they are painted. (d) Stretching of rubber band is not a physical change.
Answer» (a) True (b) True (c) True (d) False.

State whether the following statements are true or false: (a) When a candle burns, both physical and chemical changes take place. (b) Anaerobic bacteria digest animal waste and produce biogas. (c) Ships suffer a lot of damage though they are painted. (d) Stretching of rubber band is not a physical change.

Answer»

(a) True

(b) True

(d) False.

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