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प्रश्न
Write observation:
A small piece of zinc is added to dilute hydrochloric acid.
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उत्तर
A gas (hydrogen) is evolved, which burns with a pop sound when exposed to air.
\[\ce{Zn + 2HCl -> ZnCl2 + H2 ^}\]
संबंधित प्रश्न
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.
State one relevant observation for the following
When hydrogen sulfide gas is passed through lead acetate solution.
Dry hydrogen chloride gas can be collected by ________ displacement of air. (downward / upward)
Give three distinct test [apart from using an indicator] you would carry out with solution of HCl to illustrate the typical properties of an acid.
Name the following:
Drying agent used to dry hydrogen chloride.
What would happen if
Calcium oxide is used to dry hydrogen chloride.
What must be added to sodium chloride to prepare hydrogen chloride?
State your observation when:
Decomposition of bicarbonates by dil. H2SO4
2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + 2CO2
2KHCO3 + H2SO4 → K2SO4 + 2H2O + 2CO2
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D, and E.
