Q. 265.0( 1 Vote )

Give reasons for the following.

(i) Ethanoic acid is used in the preservation of pickles.

(ii) CO2 is released on burning diamond as well as graphite.

Answer :

(i) Ethanoic acid provides an acidic environment where bacteria cannot survive, preserving the pickles for a longer time.


(ii) Both diamond and graphite are allotropes of the same element carbon. The only difference is in their physical properties due to the difference in their structure. The chemical properties remain the same. Carbon when burnt in the presence of oxygen gives carbon dioxide (CO2). Since, diamond and graphite are chemically carbon, both release CO2 upon burning.


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