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प्रश्न
Turmeric and litmus are ______ acid-base indicators.
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उत्तर
Turmeric and litmus are natural acid-base indicators.
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संबंधित प्रश्न
Under what soil condition do you think a farmer would treat the soil of his fields with quick lime (calcium oxide) or slaked lime (calcium hydroxide) or chalk (calcium carbonate)?
Sodium hydroxide turns blue litmus red.
Indicator is a substance which shows different colours in acidic and basic solutions.
Which of the following types of medicine is used for treating indigestion caused by over-eating?
(a) antibiotic
(b) analgesic
(c) antacid
(d) antiseptic
hich is more basic (or more alkaline) : a solution of pH = 8 or a solution of pH = 11?
Two solutions X and Y are tested with universal indicator. Solution X turns orange whereas solution Y turns red. Which of the solutions is a stronger acid?
Fill in the following blank with suitable words:
Neutral substances have a pH of ................
Name two common antacids.
Solution A turns universal indicator blue to purple whereas solution B turns universal indicator orange to red.
What sort of reaction takes place when solution A reacts with solution B?
What damage could be caused while the pH is low?
