Advertisements
Advertisements
प्रश्न
Write two applications of sodium bicarbonate (baking soda).
State any two applications of baking soda.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
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
What will happen if a solution of sodium hydrocarbonate is heated? Give the equation of the reaction involved.
The discomfort caused by indigestion due to overeating can be cured by taking:
Name an acid which is present in baking powder.
Complete and balance the following chemical equations:
`NaHCO_3`
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?
Name two constituents of baking powder.
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?
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.
(i) Name the products formed when sodium hydrogen carbonate is heated.
(ii) Write the chemical equation for the reaction involved in the above.
Write the chemical formula.
Baking soda
Baking soda is a mixture of ______.
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.
Mild non-corrosive basic salt is ______.
