Question

Balance the chemical equation


1. Hydrogen sulphide gas burns in air to give water and sulphur dioxide


2. Sodium hydroxide react with sulphuric acid to form sodium sulphate and water


3. Nitric acid react with calcium hydroxide to form calcium nitrate and water


4. Zinc react with silvernitrate to form zinc nitrate and silver


5. Sodium chloride react with silvernitrate to form silver chloride and sodium nitrate

Answer 1

Answer

1.2H2S + 3O2 - 2SO2 + 2H2O

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