Salt 'A' is commonly used in baking.On heating it forms another salt 'B' which is used for removing permanent hardness of water and a gas 'G' which turns lime water milky. Gas 'G' reacts with lime water to form a salt 'C' which is insoluble in water. Salts A, B and C respectively are

N a_{2} C O_{3}, C a C O_{3} and N a H C O_{3}

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N a_{2} C O_{3}, N a H C O_{3} and C a C O_{3}

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N a H C O_{3}, N a_{2} C O_{3} and C a C O_{3}

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C a C O_{3}, N a H C O_{3} and N a_{2} C O_{3}

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Solution

The correct option is C $N a H C O_{3}, N a_{2} C O_{3} and C a C O_{3}$
Answer (3)</a>
Salt A is baking soda, $(N a H C O_{3})$ .
$2 N a H C O_{3} (A) Δ - - \to N a_{2} C O_{3} Sodium Carbonate (B) + C O_{2} (g) (G) + H_{2} O$
Gas evolved is $C O_{2} .$
$C O_{2} (G) + C a {(O H)}_{2} Lime water Δ - - \to C a C O_{3} Calcium carbonate(C)(insoluble in water) + H_{2} O$

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Salt 'A' is commonly used in baking.On heating it forms another salt 'B' which is used for removing permanent hardness of water and a gas 'G' which turns lime water milky. Gas 'G' reacts with lime water to form a salt 'C' which is insoluble in water. Salts A, B and C respectively are

The correct option is C NaHCO3,Na2CO3 and CaCO3Answer (3)</a> Salt A is baking soda, (NaHCO3). 2NaHCO3(A)Δ−−→ Na2CO3Sodium Carbonate (B)+CO2(g)(G)+H2O Gas evolved is CO2. CO2(G)+Ca(OH)2Lime waterΔ−−→ CaCO3Calcium carbonate(C)(insoluble in water)+H2O