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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.
\[\ce{Zn + 2HCl -> ZnCl2 + H2 ^}\]
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संबंधित प्रश्न
Write balanced chemical equations to show The behavior of H2SO4 as an acid when it reacts with Magnesium
Write an equation for the reaction of hydrochloric acid on magnesium foil.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
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.
What would happen if
Calcium oxide is used to dry hydrogen chloride.
Write balanced equation for the following reaction:
Copper oxide and dilute hydrochloric acid.
State your observation when:
Decomposition of bicarbonates by dil. H2SO4
2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + 2CO2
2KHCO3 + H2SO4 → K2SO4 + 2H2O + 2CO2
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
