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प्रश्न
Turmeric is used as a _______.
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उत्तर
Turmeric is used as a indicator.
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संबंधित 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?
What colour does the following indicator turn when added to a base or alkali (such as sodium hydroxide)?
Litmus
Name two olfactory indicators?
A beaker of concentrated hydrochloric acid has a pH of 1. What colour will full range universal indicator turn if it is added to this beaker? Is it a strong or a weak acid?
Acids have a pH ______ than 7.
Alkalis have a pH ______ than 7.
The more alkaline a solution, the ______ the pH.
What colour would the universal indicator show in an aqueous solution of sugar? Why?
The pH values of five solutions A, B, C, D and E are given below:
| A | 1 |
| B | 5 |
| C | 7 |
| D | 11 |
| E | 13 |
Which solution is
- weakly alkaline
- neutral
- strongly acidic
- strongly alkaline, and
- weakly acidic?
Write a note on:
Methyl orange
