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Subject :NSO    Class : Class 7

Study the given table carefully.


Which of the above observations are correct?

A (i) and (iii) only
B (ii) and (iv) only
C (i), (ii) and (iii) only
D (i), (iii) and (iv) only


how can soap solution turn blue litmus to red? it is a basic solution

Ans 1: (Master Answer)

Class : Class 1

The correct answer is A.

Sugar syrup is neutral and hence the colour of blue litmus and red litmus remains unchanged. Tamarind juice is acidic, so blue litmus turns red but red litmus does not change its colour. Lime water and soap solution are basic in nature which turn red litmus blue whereas blue litmus remains unchanged.


Ans 2:

Class : Class 7

Ans 3:

Class : Class 7
yeah the answer is a

Ans 4:

Class : Class 8

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