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Observations That Help Us to Determine a Chemical Reaction

State the che...

Question

State the chemical property of baking soda on which the following uses are based:
(i) as an antacid.
(ii) as a constituent of baking powder.

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Solution

(i) It is weakly alkaline in nature and neutralizes the acid (HCl) formed in stomach.

${N a H C O}_{3} + H C l \to N a C l$ + $H_{2} O$ + ${C O}_{2}$

(ii) It evolves ${C O}_{2}$ in the form of bubbles when a cake is baked. As a result, the cake becomes porous and fluffy.

${N a H C O}_{3}$ $\to$ ${N a}_{2} {C O}_{3}$ + $H_{2} O$ + ${C O}_{2}$

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Observations That Help Us to Determine a Chemical Reaction

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