Question

1) which of these is not a natural resource
a) electricity. b)coal.
c) sunlight. d) water

2) which of the following words best describe fossil fuels
a) renewable. b) non renewable. c) recyclable.
d) non-recyclable

tell to options of question number 2

3) which of these is not a fossil fuels options- hydrogen, coal, petroleum, natural gas

4) which of these is not a product obtained by destructive distillation of coal options - natural gas, coal gas, coal tar ,coke

5) which of these is not obtained by refining of petroleum options- petrol ,diesel ,CNG, LPG

6) when crude oil vapour is fed into a fractionating column option -the fractions with the lowest boiling point condensed first, the fractions with the highest boiling point condense first, the lighter fractions are deposits near the base of the column, the heavier fractions are deposited near the top of the column

7) the use of which of these is not good for fuel conservation options- CLF s , solar cooker , incandescent lamp, pressure cooker


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Answer 1

Answer:

1. electricity
2. non-renewable
3. hydrogen
4. natural gas
5. CNG
6. the fraction with the lowest boiling point condensed first

sry but i don't know the ans of 7th question.

Hope it is helpful for you

Answer 2

Answer:

1.electricity

2. non renewable

3. hydrogen

4. natural gas

5. cng

6. the fraction with lowest boiling point consedensed first

7. pressure cooker

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