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प्रश्न
Which of the following is not a constituent of petroleum?
विकल्प
Paraffin wax
Lubricating oil
Petrol
Coke
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उत्तर
Coke
Explanation:
Coke is not a constituent of petroleum. Coke is prepared by heating coal in the absence of air.
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संबंधित प्रश्न
Which of the following is not a natural resource?
(a) soil
(b) water
(c) electricity
(d) natural gas
Which of the following combination of terms has no fossil fuel?
(a) wind, ocean, coke
(b) kerosene, tide, wind
(c) wood, wind, sun
(d) petrol, wood, sun
While discussing about coal and petroleum a teacher told his students about PCRA's (Petroleum Conservation Research Association) guidelines to save the fossil fuels while driving vehicles. Deepa was going to her school with her mother who was driving car. At the traffic signal, when the light was red, Deepa suggested her mother to switch of the engine.
After reading the above passage, answer the following questions :
(a) Fossil fuels are natural resources, then why do we need to conserve them?
(b) List any two ways of saving the fossil fuels.
(c) State two values exhibited to Deepa.
What measures would you take to conserve electricity in your house?
You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
Petroleum, ______ and ______ are fossil fuels.
Coal and petroleum are formed from the dead remains of organisms and are known as ______.
We read in newspapers that burning of fuels is a major cause of global warming. Explain why.
Give reason for the following:
Petroleum is considered a harmful source of energy.
