Question

3. The mass of a substance undergoing a physical change is not altered.
4. Heat is absorbed when glucose is dissolved in water,
5. Heat is evolved when concentrated hydrochloric acid is poured into water.
6. The slaking of lime is an endothermic change.
state T OR F​

Answer 1

Answer:

F ; T ; T ; F

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Answer 2

Hii mate here is your answer:-

3) false

4) true

5) true

6) false

I hope its helps you mate......

Please mark it as brainleast answer....

OK mate, bye bye and take care of your health........