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Write Two Applications of Sodium Bicarbonate (Baking Soda). - Science and Technology 1

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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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2015-2016 (March)

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.


 Name the substance which on treatment with chlorine yields bleaching powder?


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 is the common name of sodium hydrogencarbonate?


 How does baking powder differ from baking soda?


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?

 

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?


A person found that the cake prepared by him is hard and small in size. Which ingredient has he forgotten to add that would have caused the cake to rise and become light? Explain your answer.


The chemical name of baking soda is ______.


Salt 'P', commonly used in bakery products, on heating gets converted into another salt 'Q' which itself is used for the removal of hardness of water and a gas 'R' is evolved. The gas 'R', when passed through freshly prepared lime water, turns milky. Identify 'P', 'Q' and 'R', giving a chemical equation for the justification of your answer.


For making cake, baking powder is taken. If at home your mother uses baking soda instead of baking powder in cake,

  1. how will it affect the taste of the cake and why?
  2. how can baking soda be converted into baking powder?
  3. what is the role of tartaric acid added to baking soda?

Mild non-corrosive basic salt is ______.


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