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प्रश्न
Write two applications of sodium bicarbonate (baking soda).
State any two applications of baking soda.
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उत्तर
Applications of sodium bicarbonate:
(1) It is used to prepare the light and spongy bread, cakes and dhoklas.
(2) Being alkaline, it helps reduce acidity in the stomach.
(3) It is very useful in preparing CO2 gas, and it is one of the contents of fire extinguishers.
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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 the substance which on treatment with chlorine yields bleaching powder?
The discomfort caused by indigestion due to overeating can be cured by taking:
Name an acid which is present in baking powder.
Which compound is used as an antacid in medicine : NaHCO3 or Na2CO3?
Complete and balance the following chemical equations:
`NaHCO_3` 
Describe how sodium hydrogencarbonate (baking soda) is produced on a large scale. Write equation of the reaction involved.
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.
What is the common name of sodium hydrogencarbonate?
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?
The formula of baking soda is:
(a) K2CO3
(b) KHCO3
(c) NaHCO3
(d) Na2CO3
Consider the following substances:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
Which compound is a part of baking powder?
(i) Name the products formed when sodium hydrogen carbonate is heated.
(ii) Write the chemical equation for the reaction involved in the above.
The chemical name of baking soda is ______.
Baking soda is a mixture of ______.
Which one of the following salts does not contain water of crystallisation?
NaHCO, formed by reaction of ____________.
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?
