Question

What product will be obtained when solution of sodium carbonate and slaked lime is heated ?​

Answer 1

Answer:

However sodium carbonate gives sodium oxide and carbon dioxide when heated at about 1000°C. The gas produced by heating of the samples can be checked by passing through lime water. If the lime water turns milky then the evolved gas is carbon dioxide and the heated substance is baking powder.

Explanation:

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Answer 2

Products obtained when solution of sodium carbonate and slaked lime is heated are Calcium carbonate CaCO3 and Sodium hydroxide NaOH.

• Sodium carbonate is formed by many manufacturing processes,one of them is by heating sodium hydrogen carbonate also known as sodium bicarbonate NaHCO3 under 75°C to 80°C.
• Formation of slaked lime:

For that quick lime preparation first, calcium carbonate (here limestone) is crushed and heated under high temperature of about 1000°C to 1100°C in the kiln. The products of this heating is calcium oxide CaO i.e. quick lime and carbon dioxide CO2.

Slaked lime Ca(OH)2 is produced when quick lime CaO is heated after adding water to it.

• When solution of sodium carbonate NaCO3 and slaked lime Ca(OH)2 is heated together under high range of temperature, they produces Calcium carbonate CaCO3 and Sodium hydroxide NaOH as products.
• This is a type of exothermic reaction.