Question

write the chemical equations for reaction taking place when
1) Manganese dioxide is heated with aluminum .
2) Steam is passed over red hot iron
3) Aluminum oxide is reacted with sodium hydroxide
4) calcium reacts with water
5) Iron reacts with dil sulphuric acid ​

Answer 1

Answer:

Explanation:

1)3MnO2(s) + 4Al(s) → 3Mn(l) + 2Al2O3(s) + heat

2)3Fe + 4H2O = Fe3O4 + 4H2

3)Al2O3 + NaOH = NaAlO2 + H2O

4)Ca + 2H2 O

5)H2SO4

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