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प्रश्न
- Both acids and bases change colour of all indicators.
- If an indicator gives a colour change with an acid, it does not give a change with a base.
- If an indicator changes colour with a base, it does not change colour with an acid.
- Change of colour in an acid and a base depends on the type of the indicator.
Which of these statements are correct?
पर्याय
All four
a and d
b, c and d
Only d
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उत्तर
Only d
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संबंधित प्रश्न
Which is more acidic?
A solution of pH = 2 or a solution of pH = 6.
What colour will the universal indicator show if you add it to the following substance?
Potassium hydroxide, pH = 12
When a solution becomes more acidic, does the pH get higher or lower?
Fresh milk has a pH of 6. When milk changes into curd, the pH value will ______.
What damage could be caused while the pH in a person’s mouth is low?
Hibiscus flower is an example for natural indicator.
State whether the following statement is true or false. Correct the false statement.
Phenolphthalein is a natural indicator.
What is the colour of phenolphthalein in the basic solution?
Name any two synthetic acid-base indicators.
Write a note on:
Methyl orange
