मराठी

When You Add About 2 Ml of Acetic Acid to a Test Tube Containing an Equal Amount of Distilled Water and Leave the Test Tube to Settle After Shaking Its Contents, What Will You Observe in the Test Tube After About 5 Minutes? - Science

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प्रश्न

When you add about 2 ml of acetic acid to a test tube containing an equal amount of distilled water and leave the test tube to settle after shaking its contents, what will you observe in the test tube after about 5 minutes?

(A) A white precipitate settling at its bottom

(B) A clear colourless solution

(C) A layer of water over the layer of acetic acid

(D) A layer of acetic acid over the layer of water

उत्तर

When acetic acid and distilled water are mixed, they form a clear solution because acetic acid is completely miscible with water.

Hence, the correct option is B.

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2013-2014 (March) Delhi Set 3

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संबंधित प्रश्‍न

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


Give balanced chemical equations for Sodium ethanoate to methane.


Fill in the blanks from the choices given within brackets:

The basicity of acetic acid is-------- (3, 1, 4).


Name the compound formed when acetic acid and ethanol react together?


While studying saponification reactions, the following comments were noted down by the students :
(I) Soap is a salt of fatty acids.
(II) The reaction mixture is basic in nature.
(III) In this reaction heat is absorbed.
(IV) This reaction is not a neutralisation reaction.
Which of these are the correct comments ?
(A) I and III only
(B) I, II and III
(C) II, III and IV
(D) I and II only


On adding NaHCO3 to acetic acid, a gas is evolved which turns lime water milky due to the formation of:

(1) Calcium bicarbonate 

(2) Calcium hydroxide

(3) Calcium carbonate 

(4) Calcium acetate 


Write the molecular formula of the given compound.

Sodium ethanoate


Give the balanced chemical equation of the following reaction:

Neutralization of NaOH with ethanoic acid.


Give the balanced chemical equation of the following reaction:

Neutralization of NaOH with ethanoic acid.


Give the balanced chemical equation of the following reaction: 

Neutralization of NaOH with ethanoic acid.


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