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Name the following:
(i) Acid present in the stomach of mammals.
(ii) Drying agent used to dry hydrogen chloride.
(iii) Salt obtained by heating sodium chloride with concentrated sulphuric acid below 200 degree celsius.
(iv) Gas that yields dense white fumes when mixed with hydrogen chloride.
(v) Two solution that yield white precipitates, when treated with hydrogen chloride or hydrochloric acid.
(vi) Gas obtained by treating metals with hydrochloric acid.
(vii) Gas obtained by treating ferrous sulphide with hydrochloric acid.
(viii) Five oxidizing agents that liberate chlorine from concentrated hydrochloric acid.
(ix) Acid used to extract glue from bones.
(x) A chloride which is soluble in excess of ammonium hydroxide.
(xi) A greenish yellow gas.
(xii) A chemical in which gold can be dissolved.
(xiii) A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
(xiv) Two colourless gases which when mixed produce a white solid.

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Solution

(i) Acid present in the stomach of mammalsHydrochloric acid

(ii) Drying agent used to dry hydrogen chloride
Concentrated sulphuric acid

(iii) Salt obtained by heating sodium chloride with concentrated sulphuric acid below 200
0 CSodium hydrogen sulphate

(iv) Gas that yields dense white fumes when mixed with hydrogen chloride
Ammonia

(v) Two solutions that yield white precipitates when treated with hydrogen chloride or hydrochloric acidSilver nitrate and lead nitrate solution

(vi) Gas obtained by treating metals with hydrochloric acidHydrogen

(vii) Gas obtained by treating ferrous sulphide with hydrochloric acidHydrogen sulphide

(viii) Five oxidising agents that liberate chlorine from concentrated hydrochloric acidMnO2, PbO2, Pb3O4, KMnO4, K2Cr2O7

(ix) Acid used to extract glue from bonesHydrogen chloride

(x) A chloride that is soluble in an excess of ammonium hydroxide
Silver chloride

(xi) A greenish yellow gas
Chlorine

(xii) A chemical in which gold can be dissolved
Aqua regia

(xiii) A metallic oxide that reacts with hydrochloric acid to give a coloured solution
Copper oxide

(xiv) Two colourless gases which when mixed produce a white solidAmmonia and Hydrogen chloride

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