Question

name the following The solution which does not change the colour of either red or blue litmus.(4) Phenolphthalein gives pink colour in this type of solution.(7) Colour of blue litmus in lemon juice.

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(1) It is used to test whether a substance is acidic or basic.(3) It is a natural indicator and gives pink colour in basic solution.(5) Nature of ant’s sting.(6) It is responsible for increase in temperature during a neutralisation reaction.

Answer 1

1)its litmus paper it is used to test whether the solution is acidic or basic