OBJECTIVE TYPE QUESTIONS
25 marks
Physical & Chemical Changes
Q.1 Select the correct answer from the choice in bracket to complete each sentence: [5]
1. A change in which a substance retains its identity is a
[physical/chemical] change.
2. Matter is added or removed during a
(chemical/physical] change.
3. Energy required for completion of a physical change is
__[released/absorbed]
when the change is reversed.
4. Dissolution of lead nitrate in water is deemed as a [physical/chemical] change,
5. A change in which matter undergoes a change but the total mass of substance is
unaltered is a [physical/chemical] change,
Answers
Answered by
0
Answer:
1st is the right answers
Answered by
3
Answer:
1. physical change
2. chemical change
3. absorbed
4. chemical change
5. physical change
Explanation:
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