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Which of the following solution has inco...

Which of the following solution has incorrect option of colour change, when different indicators are used ?
`{:("Indicators",Ca(OH)_(2),CH_(3)COOH,HNO_(3),NH_(4)OH),("Red Litmus","Blue","No colour change","NO colour","Blue"),("Blue Litmus","No colour change","Red","Red","No colour"),("Phenolphthalein","Pink","Colourless","Colourless","No colour"),("Methyl orange","Yellow","Yellow","Pink","Yellow"):}`

A

`Ca(OH)_2` and `CH_3COOH`

B

`CH_3COOH` and `NH_4OH`

C

`CH_3COOH` and `HNO_3`

D

`Ca(OH)_2` and `HNO_3`

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Knowledge Check

  • Which of the following can turn blue litmus to red colour

    A
    Dil `H_2O_2` solution
    B
    Pure`H_2O_2`
    C
    Conc. `H_2O_2` solution
    D
    Pur `D_2O`

  • Which of the following change the colour of aqueous solution of FeCl_(3) ?

    A
    `K_(4)[Fe(CN)_(6)]`
    B
    `H_(2)S`
    C
    `NH_(4)CNS`
    D
    KCNS

  • Colloidal solution of gold is in different colours like red, purple, blue and golden because of

    A
    Size difference in the particles of gold
    B
    Variable oxidation states of gold
    C
    Presence of impurities
    D
    Difference in the concenteration of gold particles

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