Pick the odd one. Give reason. [2 MARKS]
Vinegar, Formic acid, Curd, Calamine

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Solution

Correct answer: 1 Mark
Reason: 1 Mark
Vinegar, formic acid and curd are all acidic in anture.
Calamine is the odd one.
It is the only basic substance in the given list. This is the reason why it used as a remedy for ant bites.

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Question 9

Which of the following set of substances contain acids?
(a) Grapes, lime water
(b) Vinegar, soap
(c) Curd, milk of magnesia
(d) Curd, vinegar

Q. Pick the odd one out :
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H C l, H N O_{3}, H_{2} S O_{4}, H C O O H

ii) Basic Nature : Blood, Baking Soda, Vinegar, Household ammonia

Q. Pick the odd one out. Give scientifc reason for your answer:

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Pick the odd one.​ Give reason.​​​​​​ [2 MARKS] Vinegar, Formic acid, Curd, Calamine

Correct answer: 1 Mark Reason: 1 Mark Vinegar, formic acid and curd are all acidic in anture. Calamine is the odd one. It is the only basic substance in the given list. This is the reason why it used as a remedy for ant bites.

Pick the odd one. Give reason. [2 MARKS]
Vinegar, Formic acid, Curd, Calamine

Correct answer: 1 Mark
Reason: 1 Mark
Vinegar, formic acid and curd are all acidic in anture.
Calamine is the odd one.
It is the only basic substance in the given list. This is the reason why it used as a remedy for ant bites.