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प्रश्न
Write the important uses of acetic acid.
Give one use of acetic acid.
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उत्तर
Uses of acetic acid:
- As a solvent for gums, resin, cellulose atc
- As a laboratory reagent
- In medicines
- As a vinegar for table purpose and for manufacturing pickles
- For making rubber, rayon, plastic, varnishes atc.
- For the manufacture of dyes, perfumes, pigments.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
A student puts a drop of reaction mixture of a saponification reaction first a blue litmus paper and then on a red litmus paper. He may observe that:
(a) There is no change in the blue litmus paper and the red litmus paper turns white.
(b) There is no change in the red litmus paper and the blue litmus paper turns red.
(c) There is no change in the blue litmus paper and the red litmus paper turns blue.
(d) No change in colour is observed in both the litmus papers
A student adds 2 mL of acetic acid to a test tube containing 2 mL of distilled water. He then shakes the test tube well and leaves it to settle for some time. After about 5 minutes he observes that in the test tube there is :
(A) a clear transparent colourless solution
(B) a clear transparent pink solution
(C) a precipitate settling at the bottom of the test tube
(D) a layer of water the layer of acetic acid
Complete the following chemical equations : C2H5OH`("Conc."H_2SO_4)/(443K)`>
Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
CH3COOH, CH3CH2OH
Give any two uses of ethanoic acid.
Why is Soda lime used not only NaOH?
Fill in the blank with appropriate word/words.
Denatured alcohol is a mixture of _____ and _______
When sodium hydrogen carbonate is added to ethanoic acid, a gas evolves. Consider the following statements about the gas evolved.
- It turns lime water milky.
- It is evolved with brisk effervescence.
- It has a smell of burning sulfur.
- It is also a by-product of respiration.
Explain the following reaction with an example.
Saponification
How is ethanol to ethanoic acid an oxidation reaction different from the reaction in which ethanol burns in the presence of oxygen?
