Answer:

Ethanol has a pleasant smell whereas ethanoic acid has the smell of vinegar. (ii) Ethanol has a burning taste whereas ethanoic acid has a sour taste.

Explanation:

In a physical change, the molecules are reorganized while their real composition remains same. In a chemical change, the atomconfiguration of a substance completely changes and a new substance is molded. Some instance of physical alterationare freezing of water, melting of wax, boiling of water, etc.

Answer:

Ethanol has a pleasant smell whereas ethanoic acid has the smell of vinegar.

(ii) Ethanol has a burning taste whereas ethanoic acid has a sour taste.

(iii)The boiling point of ethanol is low (351 K) whereas that of ethanoic acid is comparatively high (391 K).

(b) Differences in chemical properties :

(i) Ethanol has no action on any litmus paper but ethanoic acid turns blue litmus to red.

(ii) Ethanol has no reaction with sodium hydrogencarbonate but ethanoic acid gives brisk effervescence of carbon dioxide with sodium hydrogencarbonate.

Explanation:

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