Question

5. Change of milk to curd
Q.2 State whether the following statements are true or false. If false write -
the correct statement
[5]
1. Desirable changes are meaningful, while undesirable changes are unfavourable.
2. During physical changes, the composition of the original substance is not altered, but
the properties of the original substance are altered.
3. During a chemical change the composition of the original substance is not altered &
the change is irreversible.
4. Melting of butter & wax are examples of chemical changes.
5. Melting of ice is an exothermic, irreversible chemical change.
151
Tot IT​

Answer 1

Answer:

1. True

2. True

3. False. During a Chemical change the composition of the original substance change & it is irreversible.

4. False. Melting of butter & wax are examples of physical changes.

5. False.Elting of ice is an endothermic, reversible , physicle change.

Hope this helps!!!!!!!!!!!!!!

Answer 2

Answer:

Hiiiiiiiiiiiiiiiiiii!

1 True

2 True

3 False during chemical change Composition of original substance changes completely.

4False these are physical changes.

5 melting of ice is endothermic, reversible physical change.

All the best for assignment