Question

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Answer 1

6) Hydrogenation of vegetable oils converts

b) vanaspati to vegetable oils

7) the chemical name of water is

b) dioxide of hydrogen

8) when hydrogen combines exclusively with matters the charge it has is

b) negative

9) as hydrogen is exclusive the precaution that has to be taken in its laboratory preparation is that

c) both a and b

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Answer 2

Answer:

6. (a)

7.(b)

8. (d)

9. (d)

Explanation:

a.vesgetable oil ️ to vanaspati

b.dioxide of hydrogen

d.can be positive or be negative

d. I.THE Apparatus should be airtighted

II.heating appliances should be turned off

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