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प्रश्न
Why is Soda lime used not only NaOH?
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उत्तर
Soda lime is used as it is not deliquescent and does not attack glass.
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संबंधित प्रश्न
A student adds a few drops of ethanoic acid to test tubes X, Y and Z containing aqueous solutions of sodium chloride, sodium hydroxide and sodium carbonate, respectively. If he now brings a burning splinter near the mouth of the test tubes immediately after adding ethanoic acid in each one of them, in which of the test tube or test tubes the flame will be extinguished?
(A) X and Y
(B) Y and Z
(C) X and Z
(D) only Z
Complete the following chemical equations:
C2H5OH+CH3COOH`("conc."H_2SO_4)/`>
Write the names of three compounds which can be oxidised directly or in stages to produce acetic acid.
What do you notice when acetic acid reacts with litmus?
Acetic acid is a typical acid. Write one equation in case of its reactions with a carbonate.
Give two tests to show that CH3COOH is acidic in nature ?
A student takes 2 mL acetic acid in a dry test tube and adds a pinch of sodium hydrogen carbonate to it. He makes the following observations:
I. 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) IV, I and II
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
Name the oxidising agent used in the conversion of ethanol to ethanoic acid.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
