Match the following columns. Column I Column II (i)Boric acid (a)Food preservation (ii)Citric acid (b)Eyewash (iii)Oxalic acid (c)Ink stain remover (iv)Carbonic acid (d)Baking powder (e)Flavoured drinks

Column I Column II (i)Boric acid (b)Eyewash Boric acid has mild antibiotic properties against fungal or bacterial infection. Thus, it is used as an eyewash to cleanse or irritate the eyes. Column I Column II (ii)Citric acid (a)Food preservation Citric acid is used both as a natural flavour enhancer and preservative in a variety of foods. Column I Column II (iii) Oxalic acid (c) Ink stain remover Oxalic acid is used to remove ink or rust stains. Column I Column II Carbonic acid Flavoured drinks Carbonic acid in the drinks imparts the acidic flavour and a sweet sensation of the drink when consumed.

E M B I B E

All in One - ICSE Chemistry>Chapter 3 - Acids, Bases and Salts>CHAPTER EXERCISE>Q 15

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10th ICSE

IMPORTANT

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A sample of dry ammonium chloride was heated in a test tube. Pieces of damp litmus paper were used to test for any gases that were produced in the process.
Which of the statements is correct?

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Important Questions on Acids, Bases and Salts

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10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 3 - Acids, Bases and Salts>CHAPTER EXERCISE>Q 16

Match the following columns.

Column I	Column II
(i)Boric acid	(a)Food preservation
(ii)Citric acid	(b)Eyewash
(iii)Oxalic acid	(c)Ink stain remover
(iv)Carbonic acid	(d)Baking powder
	(e)Flavoured drinks