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प्रश्न
Write the chemical formula.
Baking soda
उत्तर
NaHCO3
APPEARS IN
संबंधित प्रश्न
Write two applications of sodium bicarbonate (baking soda).
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?
Give two important uses of baking soda.
Which compound is used as an antacid in medicine : NaHCO3 or Na2CO3?
Complete and balance the following chemical equations:
`NaHCO_3` 
What is baking soda?
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.
What is the common name of sodium hydrogencarbonate?
Explain the action of baking powder in the making of cake (or bread). Write equation of the reaction involved.
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
(i) Name the products formed when sodium hydrogen carbonate is heated.
(ii) Write the chemical equation for the reaction involved in the above.
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.
Which one of the following salts does not contain water of crystallisation?
Mild non-corrosive basic salt is ______.
