Question

Please give it's correct answer..!​

Answer 1

Answer:

1)-true

2)-false

3)-false

Answer 2

1)

Question :

Endothermic reaction are defeated by fall in temperature

Answer:

True.

2)

Question :

Chemical reactions do not tells us about reactants and products.

Answer:

False.

Reason:

Chemical reactions tells us about reactants and products.

3)

Question:

The precipitate formed in a chemical reaction is shown by a downward arrow.

Answer:

False.

Reason:

The precipitate form spontaneously precipitate by a downward arrow