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प्रश्न
How does baking powder differ from baking soda?
उत्तर
Baking powder is a mixture of baking soda (sodium hydrogencarbonate, NaHCO3) and a solid edible acid such as tartaric acid, whereas baking soda is a single compound (sodium hydrogencarbonate, NaHCO3).
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संबंधित प्रश्न
When you add sodium hydrogen carbonate to acetic acid in a test tube, a gas liberates immediately with brisk effervescence. Name this gas. Describe the method of testing this gas.
A student takes about 2 mL ethanoic acid in a dry test tube and adds a pinch of sodium hydrogen carbonate to it. He reports the following observations:
I. Immediately a colourless and odourless gas evolves with a brisk effervescence.
II. The gas turns lime water milky when passed through it.
III. The gas burns with an explosion when a burning splinter is brought near it.
IV. The gas extinguishes the burning splinter that is brought near it.
The correct observations are
(A) I, II and III
(B) II, III and IV
(C) III, IV and I
(D) I, II and IV
Name an acid which is present in baking powder.
Write the chemical name of baking soda. Give the important uses of baking soda. How does baking soda differ chemically from washing soda?
What happens when a cold and concentrated solution of sodium chloride reacts with ammonia and carbon dioxide? Write the chemical equation of the reaction which takes place.
Explain the action of baking powder in the making of cake (or bread). Write equation of the reaction involved.
What are the materials used for the preparation of bleaching powder?
In addition to sodium hydrogencarbonate, baking powders contain a substance X. Name the substance X. What is the role of substance X in the baking powder?
Write the chemical formula.
Baking soda
For making cake, baking powder is taken. If at home your mother uses baking soda instead of baking powder in cake,
- how will it affect the taste of the cake and why?
- how can baking soda be converted into baking powder?
- what is the role of tartaric acid added to baking soda?
