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When a student added a few drops of methyl orange indicator to a colourless solution, the solution turned red. Which of the following should he add in excess so that the colour changes to yellow ?(1) NaOH solution(2) H2SO4 solution(3) Lemon juice(4) Vinegar solution |
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Answer» When a student added a few drops of methyl orange indicator to a colourless solution, the solution turned red. Which of the following should he add in excess so that the colour changes to yellow ? (1) NaOH solution (2) H2SO4 solution (3) Lemon juice (4) Vinegar solution |
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