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Acids Bases and...

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  • Question 1
    1 / -0

    Litmus solution is a purple dye, which is extracted from

  • Question 2
    1 / -0

    Which of the following is a base?

  • Question 3
    1 / -0

    In an experiment to test the pH of a given sample using pH paper, four students recorded the following observations. ,  
    Sample taken      pH paper colour turned to , 

    (I) Water                    Green

    (II) Dil. HCl                 Red

    (III) Dil. NaOH            Blue

    (IV) Dil. acetic acid    Orange

    Que - Which one will have pH value of 7?

  • Question 4
    1 / -0

    Citric acid is an example of

  • Question 5
    1 / -0

    Antacids used to treat indigestion in the stomach contains

  • Question 6
    1 / -0

    Hydrogen and respective metallic sulphates are produced when metals react with

  • Question 7
    1 / -0

    Which of the following substances is used for supporting fractured bones?

  • Question 8
    1 / -0

    A substance 'A' does not dissociate completely into its ions in aqueous solutions. It is bitter in taste and soapy to touch. Identify the substance A.

  • Question 9
    1 / -0

    Rain water with a pH less than 5.6 is called

  • Question 10
    1 / -0

    Water soluble bases are called

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