Questions
Which of the following is a fossil fuel?
- Nuclear energy
- Wind
- Solar energy
- Natural gas
- Geothermal energy
Which of the following resources is not exhaustible?
- Forests
- Coal and petroleum
- Wild life
- Natural gas
- Sunlight
Which of the following is used in thermal power plants to produce electricity?
- Kerosene
- Coal
- Aviation fuel
- Petroleum
- Nuclear energy
Which of the following is not an industrial use of coal?
- Obtaining coke
- Obtaining coal tar
- Fuelling thermal power plants
- Fuelling automobiles
- Generating coal gas
Naphthalene ball is obtained from
- coal tar
- LPG
- petroleum
- paraffin wax
- lubricating oil
________ is a fuel obtained from coal.
- Aviation fuel
- Coal gas
- LPG
- Gobar gas
- CNG
________ has replaced coal tar for metalling roads.
- Rocks
- Coke
- Wax
- Plastics
- Bitumen
What is carbonisation?
- A black coating of carbon forming over time on materials
- Rusting of metals
- Slow process of conversion of dead vegetation into coal
- Burning of coal
Petroleum was formed from ________.
- dead remains of plants
- dead remains of animals
- coal
- carbon dioxide
- sea water
________ is a thick, black liquid with an unpleasant smell and is a mixture of about two hundred substances.
- Aviation fuel
- Lubricating oil
- Coal tar
- Kerosene
- CNG
Which of the following is not an effect of burning of fossil fuels?
- Emissions result in acid rain
- Air pollution
- Global warming
- Land slides
- Emissions result in photochemical smog in metropolitan cities
Which instrument is fitted in automobiles to reduce harmful emissions from its exhaust?
- Catalytic convertor
- Biogas plant
- Electrostatic precipitator
- Sedimentation
- Scrubber
By which method are various products of petroleum separated?
- Chromatography
- Condensation
- Fractional distillation
- Filtration
- Sedimentation
Which of the following is not a stage during the formation of coal?
- Peat
- Haematite
- Lignite
- Bituminous coal
- Anthracite
Which of the following is used as a fuel and a reducing agent in smelting of iron ore in a blast furnace?
- Petrol
- CNG
- Diesel
- Kerosene
- Coke