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Acids Bases and...

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  • Question 1
    1 / -0

    China rose is which type of indicator?

  • Question 2
    1 / -0

    A solution changes the colour of turmeric paper from yellow to red. The solution is:

  • Question 3
    1 / -0

    Why bee strings are treated by alkaline solutions?

  • Question 4
    1 / -0

    Honey bee stings and ant bites can be _________ using alkaline medicine such as baking powder.

  • Question 5
    1 / -0

    The given figure shows the colour changes in test tubes I, II and III, when China rose indicator is added to them. The respective solutions in test tubes I, II and III are

  • Question 6
    1 / -0

    China rose turns acidic solution to ________ and basic solution to ________.

  • Question 7
    1 / -0

    In the titration of ferrous ammonium sulphate and potassium dichromate, the external indicator used is:

  • Question 8
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    What happens to the colour of litmus paper when you put a drop of acid on it?

  • Question 9
    1 / -0

    Which one of the following will turn blue-litmus red?

  • Question 10
    1 / -0

    Using toothpaste in daily life is the example of _________.

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