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प्रश्न
Bubbles are seen in the test tube during the preparation of lime water.
उत्तर
The bubbles in a small test tube are caused by the creation of CO2 during the interaction of acetic acid and sodium carbonate.
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संबंधित प्रश्न
In an experiment to study the properties of ethanoic acid, a student takes about 3 mL of ethanoic acid in a dry test tube. He adds an equal amount of distilled water to it and shakes the test tube well. After some time he is likely to observe that
(A) a colloid is formed in the test tube.
(B) the ethanoic acid dissolves readily in water.
(C) the solution becomes light orange.
(D) water floats over the surface of ethanoic acid.
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
Write the IUPAC names, common names and formulae of the first two members of the homologous series of carboxylic acids.
What is the common name of methanol?
What happens when ethanoic acid reacts with sodium hydroxide? Write equation of the reaction involved.
Ethanol can be oxidized to ethanoic acid. Write the equation and name the oxidizing agent.
Complete:
The next higher homologue of ethanoic acid is ______.
How is acetic acid prepared from acetylene?
On adding 2 mL acetic acid to 2 mL of water in a test tube, it was observed that
(A) a clear and transparent solution is formed
(B) a white precipitate is formed almost immediately
(C) two separate layers were formed
(D) a colourless and odourless gas is evolved
What is vinegar and glacial acetic acid?
What is the main constituent of vinegar?
What is thr boilng point of acetic acid?
Define glacial acetic acid?
How will you carry out the following conversions?
Ethene to acetic acid
State how the following conversions can be carried out:
Ethene to Ethyl alcohol
Ethanoic acid _________.
Ester is formed by the reaction between ______.
When ethanoic acid is treated with NaHCO^ the gas evolved is ______.
Reshu by mistake forgot to label the two test tubes containing Ethanol and Ethanoic acid. Suggest an experiment to identify the substances correctly? Illustrate the reactions with the help of chemical equations.
Give the balanced chemical equation of the reaction.
Oxidation of ethanol by acidified potassium dichromate.
