Question

Five+expmple+of+Chemical+equation+

Answer 1

Definition- When a chemical reactions is expressed in terms of formulas of reactants and products. It is known as chemical equation.

• H2+O2----× 2H2O
• CaO+CO2----× CaCO3
• Fe + H2O-----× Fe3O4+ O2
• 2Na + Cl2-----× 2NaCl
• N2 +H2------× NH3

Answer 2

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5) cl2 + H2 ---> 2Hcl

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