Question

write the balanced chemical equations for the following reaction:
a) sodium reacts with oxygen
b) alluminium reaction with dilute hydrochloric acid ​

Answer 1

Explanation:

a)Na+O2--- 2Nao

b)2Al+H2So4--- Al2So4+H2

c)2Al+2HCl---Al2Cl2+H2

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Answer 2

AL+HCL = ALCL+H2 (Chemical equation)

2AL+2HCL = 2ALCL+H2

Explanation:

Aluminium has a positive charge whereas Chlorine has a negative charge. Due to this Aluminium combines with chlorine and forms a compound i.e. aluminium chloride. In this case hydrogen becomes free and evolves in air.