Advertisements
Advertisements
प्रश्न
You are provided with a mixture of petroleum and water. Can you suggest a method to separate the two?
Advertisements
उत्तर
Decantation can be used to separate a mixture of petroleum and water. The mixture is allowed to stand. Petroleum is lighter than water, so it floats over water.
Carefully, lighter layer of petroleum can be poured and separated without disturbing the heavier layer of water.
APPEARS IN
संबंधित प्रश्न
Although coal and petroleum are produced by the degradation of biomass, even then we need to conserve them. Why?
What are the main uses of coal and petroleum products?
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.
The term petroleum means ________
Petroleum was formed from organisms
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
Petroleum, ______ and ______ are fossil fuels.
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Umpetlore is a fossil fuel.
We read in newspapers that burning of fuels is a major cause of global warming. Explain why.
Crude oil is used as a sealant for waterproofing various surfaces.
