Question

Thot (✓) the true statements and cross the false ones.
1. New substances are formed in a physical change.
A chemical reaction always involves formation of one or more substances
3 A physical change can be easily reversed.
4 A chemical equation describes a chemical reaction.
Carbon dioxide and water are elements.
​

Answer 1

Answer:

true

true

false

true

trur

Explanation:

I think so it is correct . if it is correct ok

Answer 2

Answer:

1. X

2. ✓

3. ✓

4. ✓

5. X

is the answer..