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Explain the action of dilute hydrochlori...

Explain the action of dilute hydrochloric acid on the following with chemical equation.
(a) Magnesium ribbon (b) Sodium hydroxide
(c ) Crushed egg shells

Text Solution

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Hydrogen gas is formed
`Mg(s) + 2HCl(aq) rarr MgCl(aq) + H_(2)(g) uarr`
(b) Sodium chloride and water are formed
`NaOH + HCl rarr NaCl + H_(2)O`
(c ) crushed egg shells are made of calcium carbonate `(CaCO_(3))` which reacts with HCl to give brisk effervescence due to `CaCO_(3) (s) + 2HCl(aq) rarr CaCl_(2)(aq) + H_(2)O(i) + CO_(2)(g)`
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