Question of The Day26-12-2021
Which of the following pairs is matched incorrectly?
(Acids) |
(Use) |
(a) Sulphuric Acid |
Car batteries |
(b) Acetic Acid |
Preserving pickles |
(c) Phosphoric acid |
Making Fertilizers |
(d) Boric acid |
Making Explosives |
Choose the correct answer:
Answer
Correct Answer : d ) (d)
Explanation :- Sulphuric Acid (H2SO4) is used in car batteries and is also used in the manufacture of paints, drugs, dyes, and to produce fertilizers.
- Acetic acid (CH3COOH) is used directly to enhance the taste of food and is also used as a preservative in pickles. It is also used as a cleaning agent in products for cleaning windows, floors, utensils, etc.
- Phosphoric acid is used in fertilizer and detergent industries.
- Boric acid is used in the preparation of buffer solutions. Boric acid is also used as a fungicide and insecticide powder.
Hence, option (d) is correct.
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Feb 06
Word Of The Day
Indigenous
Originating in a particular country or region.
Native to a particular country or region.
Produced, Grown, Developed or occurring naturally in a region.
If we refer to something or someone as indigenous, it means that those things belong to the country in which they are found instead of being imported or brought from an external country.
"We went to the farm and saw many indigenous varieties of Apple."
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