Solution for Activity 2.2 (Class 10) Chemistry
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onion has a characteristics feature of when a basic solution like sodium hydroxide solution is added to a close strip treated with onion extract then the onion smell cannot be detected an acidic solution like hydrochloric acid does not destroy the smell of onions this can be used as a test for acids and bases
Vanilla extract has a characteristic pleasant smell if a basic solution like sodium hydroxide solution is added to Vanilla extract then we cannot say or then we cannot detect the characteristic smell of vanilla extract extract an acidic solution like hydrochloric acid does not destroy the smell of Vanilla extract this can be can be used as test of acids and bases
Vanilla extract has a characteristic pleasant smell if a basic solution like sodium hydroxide solution is added to Vanilla extract then we cannot say or then we cannot detect the characteristic smell of vanilla extract extract an acidic solution like hydrochloric acid does not destroy the smell of Vanilla extract this can be can be used as test of acids and bases
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Hii friends,
In case of onion extract the results are as follows :-
✓✓Smell can't be detected in bases like
NaOH.
✓✓Whereas smell can be detected in
acids like HCL.
In case of vanilla extract the results are as follows:-
✓✓It gives a pleasant smell in case of
bases like NaOH.
✓✓Whereas smell can't be detected in
case of acids like HCL.
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