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प्रश्न
In acidic solutions blue litmus changes into ______ colour.
पर्याय
blue
green
red
white
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उत्तर
In acidic solutions, blue litmus changes into red colour.
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संबंधित प्रश्न
When a solution is added to vanilla extract, then the characteristic smell of vanilla cannot be detected. State whether the given solution is an acid or a base.
Name one natural source of the following acids:
Oxalic acid
Name one animal and one plant whose stings contain formic acid (or methanoic acid).
What happens during a wasp sting? What is its remedy?
What effect does the concentration of H+ (aq) ions have on the nature of a solution?
The acid produced naturally in our stomach is:
(a) acetic acid
(b) citric acid
(c) hydrochloric acid
(d) sulphuric acid
Give four examples of preparation of acids by synthesis.
Match the acids given in column (A) with their correct source given in column (B)
| Column (A) | Column (B) |
| (a) Lactic acid | Tamarind |
| (b) Acetic acid | Lemon |
| (c) Citric acid | Vinegar |
| (d) Tartaric acid | Curd |
Citric acid is present in ______.
Acids are ______ in taste.
