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
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
What will happen if a solution of sodium hydrocarbonate is heated? Give the equation of the reaction involved.
Give two important uses of baking soda.
The discomfort caused by indigestion due to overeating can be cured by taking ______.
Which compound is used as an antacid in medicine?
NaHCO3 or Na2CO3
Complete and balance the following chemical equation:
\[\ce{NaHCO3 ->[Heat]}\]
What is baking soda?
Write the chemical name of baking 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.
What is the common name of sodium hydrogencarbonate?
Name two constituents of baking powder.
How does baking powder differ from baking soda?
Explain the action of baking powder in the making of cake (or bread). Write the equation of the reaction involved.
The formula of baking soda is ______.
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.
The chemical name of baking soda is ______.
Write the chemical formula.
Baking soda
