Question

esters
Choose the correct option.
(c) a fertilizer
(d) a cosmetic
1. DAP is commonly used as
(a) an antibiotic (b) an antimicrobe
2. Which of the following is a sugar
substitute?
(a) Sucralose
(b) Boric acid
3. The use of iodized salt helps prevent
(a) malaria
(b) goitre
(c) Talc
(d) Urea
(c) typhoid
(d) diarrhoea
e of
(d) chlorine
4. The gas in a packet of potato chips is
(a) oxygen
(b) hydrogen
(c) nitrogen
5. To which of the following types of fibres does Terylene belong?
(a) Rayons
(b) Polyesters
(c) Nylons
(d) Acrylics
Fill in the blanks.
1. Urea gives ...... to the soil. (nitrogen/phosphorus)
2. Sodium benzoate is used in food processing as a ........ (sugar substitute/preservative)
3. Boric acid is used as ...... in cosmetics. (an antiseptic/a perfume)
4. Ginning means removing ...... from cotton. (dirt/seeds)
5. Acrylics are ...... substitutes. (wool/silk)
6. Synthetic fibres are ...... than natural fibres. (weaker/stronger)
following statements.





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Answer 1

Answer:

1.(a)

2.(a)

3.((b)

4.(c)

5.(b)

F/b

1.phosphorous

2.preservative

3.antiseptic

4.dirt

5.silk

6.weaker

Explanation:

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