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Subject :NSO    Class : Class 7

Ruchika conducted an experiment to test the nature of four different samples. She noted down her observations in the given table.

Which of the following conclusions can be drawn from this experiment?

AP and R are basic, Q is acidic and S is neutral in nature.
B P is acidic, Q is basic, R and S are neutral in nature.
CP and R are acidic, Q is basic and S is neutral in nature.
DP is neutral, Q and R are basic and S is acidic in nature.

Ans 1:

Class : Class 6

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