B SHORT-ANSWER QUESTIONS : Answer in 10-15 words
1. In what ways does a candle change during burning?
2. How do stirring and heating affect the dissolution of common salt in water?
3. A potter makes clay pots. These pots are dried and then baked. Identify the reversible and irreversible
changes that take place in the process.
4. Why is the ripening of a fruit considered a chemical change ?
5. Mention two characteristics of a chemical change.
Answers
Answered by
2
Answer:
I think this is correct.
Explanation:
Answers.
1. The candle reduces it's size when burning and it melts.Wax is produced during this process and a black coloured carbon appears on its burning point.
2.I am not sure.
3. It is irreversible after baking because it cannot be obtained back into a clay.
4.The ripening of a fruit is considered a chemical change because
- it changes its characteristics
- it is irreversible.
5. Two characteristics of chemical changes are...
- it is irreversible
- a new substance is formed.
Answered by
0
Answer:
yes you are a right pagal
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