write the name of gas which envolved in the following reaction = na + hcl, mg + h2so4, ca + hno
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Answer:
na + hcl, mg + h2so4, ca + hno
Explanation:
hydro clorid
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Answer:
(i) Sulphur-di-oxide gas is evolved. Colourless, gas with smell of burning sulphur. It turns acidified potassium dichromate orange to green.
(ii) Hydrogen sulphide gas is evolved. Colourless gas with smell of rotten eggs. It turns lead acetate paper black.
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