Question

Identify the type chemical reaction and balanced the chemical equation.

a. Fe + S --------- FeS

b. Fe + O2 ------------ Fe2O3

4. All ___________ reactions are endothermic​

Answer 1

Answer:

a) combination reaction

b) combination or oxidation reaction as oxygen is added here

4) decomposition reaction

Answer 2

Answer:

a is iron sulphate

b is iron oxide

4. is composition

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