Question

Q2. Write true or false for the following statements :-
1. A substance is transformed after a chemical change.
2. Alchemists changed iron into gold.
3. Dalton classified the elements into eighteen groups.
4. Priestley gave atomic theory
5. In 18th century AD. Lavoisier identified the hydrogen.​

Answer 1

Answer:

1) true

2) false

3) true

4) false

5) true

Answer 2

Answer:

Hi dear here is ur Answer...

Explanation:

True

false

true

false

true

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