10 chemical reactions and write the characteristics Evolution of gas, change in temp, state
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10 chemical reactions and write the characteristics Evolution of gas, change in temp, state
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1)Evolution of gas
Some chemical reactions are characterised by the evolution of gas. For Ex:1)Reaction between zinc and dilute sulphuric acid to form hydrogen gas. 2)Reaction between sodium carbonate and dilute hydrochloric acid to form carbon dioxide gas.
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