Question

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Answer 1

Answer:

1. when zinc carbonate is heated gives rise to zinc oxide and carbon dioxide.

2. when sodium chloride is reacted with silver nitrate it gives rise to sodium nitrate and silver chloride( ppts).

3. when sodium sulfite is reacted with 2 moles of hydrochloric acid while heating gives rise to 2 moles of sodium chloride, water and sulfur dioxide.

4. when 2 moles of sulfur dioxide is reacted oxygen in the presence of vanadium oxide and heated under 450°C it gives rise to 2 moles of sulfur trioxide.

5. when lead nitrate is reacted with ammonium hydroxide gives rise to 2 moles of ammonium nitrate and ppts of lead hydroxide.

ppts refers to precipitates.

I hope it can help you