Question

Select the correct answer from the choice in bracket to complete
1. A change in which a substance retains its identity is a
2. Matter is added or removed during a
3. Energy required for completion of a physical change is
when the change is reversed.
4. Dissolution of lead nitrate in water is deemed as a
5. A change in which matter undergoes a change but the total mass of substance is
unaltered is a
[physical/chemical] change.
[physical/chemical] change.
(chemical/physical] change.
[released/absorbed]
[physical/chemical] change.

HELP ASAP​

Answer 1

Answer:

true

false

true

false

false

I hope it will help you

Answer 2

Answer:

Select the correct answer from the choice in bracket to complete

1. A change in which a substance retains its identity is a

2. Matter is added or removed during a

3. Energy required for completion of a physical change is

when the change is reversed.

4. Dissolution of lead nitrate in water is deemed as a

5. A change in which matter undergoes a change but the total mass of substance is

unaltered is a

[physical/chemical] change.

[physical/chemical] change.

(chemical/physical] change.

[released/absorbed]

[physical/chemical] change.

Explanation:

Physical change

Chemical

Released

Physical

Chemical