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Grade: 11
                Which of the following indicate(s) a basic solution?
  1. Litmus paper turns blue
  2. Phenolphthalein turns pink
  3. A solution where Hydronium ion concentration is greater than hydroxide ion concentration
  4. i only
  5. ii only
  6. iii only
  7. i and ii only
one year ago

Answers : (3)

Shivangi Khatter
askIITians Faculty
468 Points
							dear student
the correct answer will be 1and 2 only correct

as basic solution turns red litmus blue and phenolphthalein turns pink in a basic solution. Hydroxide ion conc. is higher in a basic medium as compared to hydronium ion concentration.
one year ago
24739 Points
Dear student
on reacting a base red kitmus paper turns blue and phenolphthalein solution become pink
hence option D i.e. statement 1 and 2 is correct
one year ago
55 Points
1Red litmus reacting with base turns blue and phenolpthalin becomes pink.So the answer is 1 and 2 only
one year ago
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