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प्रश्न
Sodium hydroxide turns blue litmus red.
पर्याय
True
False
उत्तर
This statement is False.
Explanation:
Sodium hydroxide turns red litmus.
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संबंधित प्रश्न
Indicator is a substance which shows different colours in acidic and basic solutions.
What is an olfactory indicator?
The indicators which turn red in acid solution are:
(a) turmeric and litmus
(b) phenolphthalein and methyl orange
(c) litmus and methyl orange
(d) phenolphthalein and litmus
What is a universal indicator? For what purpose is it used?
A farmer has found that the pH of soil in his fields is 4.2. Name any two chemical materials which he can mix with the soil to adjust its pH.
What colour would the universal indicator show in an aqueous solution of sugar? Why?
What do you think will be the pH in the stomach of a person suffering from indigestion: less than 7 or more than 7?
What do you think will be the pH of an antacid solution: less than 7 or more than 7?
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.
Write a note on:
Methyl orange
