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प्रश्न
Hibiscus flower is an example for natural indicator.
विकल्प
True
False
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उत्तर
Hibiscus flower is an example for natural indicator- True.
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संबंधित प्रश्न
What is an olfactory indicator?
The property which is common between vinegar and curd is that they:
(a) have sweet taste
(b) have bitter taste
(c) are tasteless
(d) have sour taste
What is the pH of a neutral solution?
Two solutions X and Y have pH = 4 and pH = 8, respectively. Which solution will give alkaline reaction and which one acidic?
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 would you expect the pH of pure water to be?
A solution turns phenolphthalein indicator pink. The most likely pH of this solution will be:
(a) 6
(b) 4
(c) 9
(d) 7
Fresh milk has a pH of 6. When milk changes into curd, the pH value will:
(a) become 7
(b) become less than 6
(c) become more than 7
(d) remain unchanged
How will you prepare natural indicator from turmeric powder?
Few drops of aqueous solution of ammonium chloride are put on a universal indicator paper. The paper turns pink.
Choose the correct option.
