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प्रश्न
Write the chemical formula.
Baking soda
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उत्तर
NaHCO3
APPEARS IN
संबंधित प्रश्न
Write two applications of sodium bicarbonate (baking soda).
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?
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:
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`
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?
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?
Name two constituents of 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.
NaHCO, formed by reaction of ____________.
