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A sample of soil is mixed with water and...

A sample of soil is mixed with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish-orange. Which of the following would change the colour of this pH paper to greenish-blue ?

A

Lemon juice

B

Vinegar

C

Common salt

D

Antacid

Text Solution

Verified by Experts

The correct Answer is:
D
Antacid
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Knowledge Check

  • In which of the following solutions, would the colour of pH strip change to dark blue?

    A
    HCl
    B
    NaOH
    C
    Lemon juice
    D
    Ethanoic acid

  • Which of the following solutions would have same pH ?

    A
    100 mL of 0.2 M HCl + 100 mL of 0.4 M `NH_3`
    B
    50 mL of 0.1 M HCl + 00 mL of 0.2 M `NH_3`
    C
    100 mL of 0.3 M HCl + 100 mL of 0.6 M `NH_3`
    D
    All will have same pH

  • Aqueous solution of which of the following oxides will change the colour of blue litmus to red?

    A
    Copper oxide
    B
    Iron oxide
    C
    Magnesium oxide
    D
    Sulphur dioxide

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