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Subject :NSO    Class : Class 7

Mr Roshan, class 11 teacher took various solutions of equal strength and mixed them in different test tubes as shown in the figure.

He asked the students to find the incorrect statement about the given experiment.

ABlue litmus solution turns red in test tubes 1 and 3.
BTurmeric solution turns red in test tube 1.
CChina rose indicator turns dark pink in test tubes 2 and 4.
DPhenolphthalein remains colourless in test tubes 2 and 4.


the answer given at A does not seem correct as solution in 1 will become basic.does any one have any comments?

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
C

Ans 2:

Class : Class 3
c

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
D

Ans 2:

Class : Class 3
b

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
b

Ans 2:

Class : Class 3
B

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
c

Ans 2:

Class : Class 3

Ans 3:

Class : Class 3
C

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
b

Ans 2:

Class : Class 3
d

Ans 3:

Class : Class 4
B

Ans 4:

Class : Class 3
D

Ans 5:

Class : Class 3
Bb

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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 5

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