Question

Write True' or 'False' for the following statements :
Statement
1. Before balancing a chemical equation, check the formulae of all symbols and products
are correct.
2. Fe + HCI -FeCl2 + Hy is a balanced equation.
3. 2Pb(NO3)2 - 2PbO + 4NO2 + O2. In this equation Pb(NO3)2 is a product.
4. A word equation represents a chemical reaction briefly in words.
5. A chemical reaction does not need the exchange of energy.​

Answer 1

1) true

2) false

3)true

4) true

5) false

Answer 2

Answer:

1.False

2.False

3.False

4.True

5.False