1).write the balanced chemical equation for the following reactions :
A) sodium react with oxygen ?
B) aluminium react with dilute hydrochloric acid ?
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sodium react with oxygen
Na+O2---->2NaO
aluminium react with dilute hydrochloride
2Al(s) + 6HCl(aq) -----> 2AlCl3(aq) + 3H2(g)
here (aq)mean aquas solution (s) for solid and (g) for gas
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