NSO Level 1- Science Olympiad (SOF) Class 8: Questions 141 - 143 of 1076
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Question number: 141
Question
Read the following statements carefully:
X: It is a thick black coloured liquid which is obtained from coal.
Y: It was used to earlier in railway engines to produce steam to run trains.
Z: It is used to run heavy vehicles such as buses, trucks, tractors etc.
X, Y and Z respectively are
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Coal tar, Coal, Diesel | |
b. | Coal, Paraffin wax, Petrol | |
c. | Coke, Coal tar, Kerosene | |
d. | Coke, Coal, Coal tar | |
Question number: 142
Question
Fossils fuels, fuelwood and nuclear energy are the examples of ________ sources of energy while solar energy, air and tides are examples of ________ sources of energy.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Renewable, non-renewable | |
b. | Renewable, Renewable | |
c. | Non-renewable, renewable | |
d. | Non-renewable, non-renewable | |
Question number: 143
Question
I am a fuel and complex mixture of solid, liquid and gaseous hydrocarbons. I am used as household fuel and used as in light automobiles and some byproducts after purification are used in the preparation of medicines, ointments, face creams and cosmetics. I am ________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Petroleum | |
b. | Natural gas | |
c. | Coal gas | |
d. | Question does not provide sufficient data or is vague | |