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Question 11 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. |
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Answer» Question 11 State whether the following statements are true or false: (a) When a candle burns, both physical and chemical changes take place. |
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