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Subject :NSO    Class : Class 7

Raghav categorised the following household items into acids and bases.

Acids Bases
1.Lemon 4.Baking soda
2.Antacid 5.Vinegar
3.Tea 6.Curd

Which of them are placed under the wrong category?

A 3 and 5
B 2 and 6
C 3, 4 and 5
D 2, 5 and 6


Ans 1:

Class : Class 9

Ans 2:

Class : Class 8
answer is D

Ans 3:

Class : Class 7

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