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प्रश्न
In acidic solution, the colour of the hibiscus indicator paper will change to _____.
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उत्तर
In acidic solution, the colour of the hibiscus indicator paper will change to deep pink or deep red.
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संबंधित प्रश्न
Three liquids are given to you. One is hydrochloric acid, another is sodium hydroxide and the third is a sugar solution. How will you identify them? You have only turmeric indicator.
What colour does the following indicator turn when added to a base or alkali (such as sodium hydroxide)?
Litmus
Onion and vanilla extract are ______ indicators.
Why should curd and other sour foodstuffs (like lemon juice, etc.) not be kept in metal containers (such as copper and brass vessels)?
The indicators which turn red in acid solution are ______.
Name the indicator which can give us an idea of how strong or weak an acid or base is.
What do you think will be the pH of an antacid solution: less than 7 or more than 7?
Name two common antacids.
State whether a solution is acidic, alkaline or neutral if its pH is:
(i) 9
(ii) 4
(iii) 7
(iv) 1
(v) 10
(vi) 3
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 |
