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प्रश्न
Indicator is a substance which shows different colours in acidic and basic solutions.
पर्याय
True
False
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उत्तर
This statement is True.
Explanation:
An indicator is a substance that changes colour when added to acidic or basic solutions, allowing us to determine the pH level of the solution.
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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 is an olfactory indicator?
If someone is suffering from the problem of acidity after overeating, which of the following would you suggest as remedy?
Lemon juice, Vinegar, Banking soda solution
Give reason for your choice.
Why does tooth decay start when the pH of mouth is lower than 5.5?
Name the indicator which can give us an idea of how strong or weak an acid or base is.
Fresh milk has a pH of 6. When it changes into curd (yogurt), will its pH value increase or decrease? Why?
What colour would the universal indicator show in an aqueous solution of sugar? Why?
A solution turns blue litmus red. Its pH is likely to be:
(a) 7
(b) 5
(c) 8
(d) 14
In acidic solution, the colour of the hibiscus indicator paper will change to _____.
Hibiscus flower is an example for natural indicator.
