Description : What is the difference between bio-fuels and fossil fuel?
Last Answer : Bio fuels is different from fossil fuels, such as coal or oil , which are derived from long dead biological material.
Description : How many forms of fossil fuels are there_______________ a) One b) Two c) Three d) Four
Last Answer : THREE
Description : Energy in the form of heat and light is obtained by________________ a) Biomass b) Fossil fuels c) Sun d) Wind
Last Answer : SUN
Description : Energy is released from fossil fuels when they are__________________ a) Pumped b) Cooled c) Burned d) Pressurized
Last Answer : Burned
Description : Fuels that may classified conveniently in solid, liquid and gaseous. a. Unleaded fuel b. Diesel fuel c. Fossil fuel d. All of the above
Last Answer : Fossil fuel
Description : Which of the following crops are used for producing Bio fuels? (1) Sugarcane (2) Corn (3) Jatropha (4) All options are correct
Last Answer : (4) All options are correct Explanation: A biofuel is a fuel that is produced through contemporary biological processes, such as agriculture and anaerobic digestion, rather than a fuel produced by ... in the formation of fossil fuels, such as coal and petroleum, from prehistoric biological matter.
Description : Acid rains are produced by (a) excess NO2 and SO2 from burning fossil fuels (b) excess production of NH3 by industry and coal gas (c) excess release of carbon monoxide by incomplete combustion (d) excess formation of CO2 by combustion and animal respiration.
Last Answer : (a) excess NO2 and SO2 from burning fossil fuels
Description : If other fuels such as fossil fuels, etc. had not been discovered, would whales of today be raised in whale hatcheries for their whale oil, or would they be all but extinct do to the lust for their oil?
Last Answer : answer:A whale hatchery wouldn’t be too practical. They’d all be extinct now.
Description : If ……. has a future, then ultra-super critical boiler will be the key. a) Coal b) Fossil fuels c) Natural gas d) Oil
Last Answer : a) Coal
Description : Why are fossil fuels often described as a non renewable?
Last Answer : Need answer
Description : What are the non renewable energy resources are fossil fuels?
Last Answer : Crude oil, natural gas and coal are three non-renewable fossil fuel energy resources. Once used they can not be replaced.
Description : Esters of fatty acids with higher alcohol other than glycerol are called as (A) Oils (B) Polyesters (C) Waxes (D) Terpenoids
Last Answer : Answer : C
Description : During preparation of esters from a carboxylic acid and an alcohol in the presence of an acid catalyst, water or the ester formed should be removed as soon as it is formed.
Last Answer : Ans. The formation of esters from a carboxylic acid and an alcohol in the presence of acid catalyst in a reversible reaction. To shift the equilibrium in the forward direction, the water or ester formed should be removed as fast as it is formed.
Description : The basic constituent of vegetable oils is (A) Triglyceride (B) Fatty acids (C) Fatty alcohol (D) Mono esters
Last Answer : (A) Triglyceride
Description : Commonly used thinner in (A) Lacquer paints, is alcohol (B) Cellulose paints is ethyl acetate (C) Oil paints, is naphtha (D) All the above
Last Answer : Answer: Option D
Description : Compare the following fuels on the basis of calorific value and knocking. LPG, CNG and bio-diesel
Last Answer : Parameter LPG CNG Bio-diesel Calorific value 46.4MJ/Kg LPG has consistent & higher calorific value. 52.34 MJ/Kg Which is higher than LPG. 37.27 MJ/Kg this ... 65 which is higher than petro-diesel. So intensity of knocking is less in biodiesel compared to petro diesel.
Description : All the commercial liquid fuels are derived from natural petroleum (or crude oil). A.True B. False
Last Answer : Answer: A
Description : Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? (A) Starch (B) Cellulose (C) Proteins (D) Nucleic acids
Last Answer : (C) Proteins
Description : Can you guys help me find a valid link that can tell us about how long we have until fossil fuels run out?
Last Answer : I think fossil fuel energy models will go the way of the dinosaur far faster than the supply of such does (did).
Description : If there had been no fossil fuels would we be here?
Last Answer : Yes, mankind would certainly be here. No, we wouldn’t be nearing wiping ourselves out. But there were humans here for a very long time before they found and exploited fossil fuels. So yes, we would exist. Just not in this way in in these numbers.
Description : What are 3 factors needed to produce fossil fuels from organic residue?
Last Answer : I have some guesses but it’s tricky because we’re not supposed to answer homework questions directly here on Fluther. Here’s a hint as to one of my ideas: fossil fuels are considered non-renewable because….? If you still don’t get it I can elaborate.
Description : If fossil fuels come from fossils, then should some belong in a museum or science lab?
Last Answer : answer:Fossil Fuels come from things that died during the age of fossil formation, but were unfortunate enough to fall into a place where the surrounding conditions turned them into coal or aiol, ... read about them being used in chemicals, agriculture (fertilizers) paint, medicine, and much more.
Description : It took nature about 1 million years to create the amount of fossil fuels today's world consumes every year. How do you feel about that?
Last Answer : I’ll be dead before we run out so I’m fine with it…
Description : Name any two fossil fuels. -Biology
Last Answer : A good fuel is the one which has high calorific value, is non-polluting, is easy to transport and easily available, has moderate ignition temperature.
Description : fossil fuels are easily replaced this statement is true because?
Last Answer : 1
Description : How many tons of carbon dioxide are produced each year by burning fossil fuels ?
Last Answer : 21.3 billion tons of carbon dioxide is produced annually by burning fossil fuels
Last Answer : It will end after 100 years
Description : What are the other causes of global warming besides the burning of fossil fuels?
Last Answer : First you need to establish that there actually is some such thing as "global warming". The globe has always been warming and cooling, and really nobody has any idea what causes it. For instance ... whatever you mean by that, is caused by anything humans are doing is NOT supported by observations.
Description : Burning of fossil fuels is the main source of which of the following pollutants?
Last Answer : Burning of fossil fuels is the main source of which of the following pollutants? A. Nitrogen oxide B. nitric acid C. nitrous oxide D. sulphur dioxide
Description : Which one of the following is being tried in India as a biofuel substitute for fossil fuels?
Last Answer : Which one of the following is being tried in India as a biofuel substitute for fossil fuels? A. Musa B. Aegilops C. Jatropa D. Azadirachta
Description : Minerals, metals, and fossil fuels are which type of resources of energy?
Last Answer : Minerals, metals, and fossil fuels are which type of resources of energy? A. Renewable B. Non-renewable C. Biodegradable D. Degradable
Description : How Do also fossil fuels differ from fossils?
Last Answer : Feel Free to Answer
Description : What product is released into Earth's atmosphere through the combustion of fossil fuels?
Last Answer : Carbon dioxide, carbon monoxide and water vapor.
Description : Why scientist are looking for alternatives fossil fuels?
Last Answer : B/c burning fossil fuels releas a lot of carbon monoxides andpollutants into the atmosphere, which many suspect may interferewith our climate.On top of that, fossil fuels will one day run out. It'd be quitehandy to have made the switch to something else before thathappens.
Description : Why should we use solar energy for fossil fuels?
Last Answer : In contrast, fossil fuels can have a significant impact on water resources: both coal mining and natural gas drilling can pollute sources of drinking water, and all thermal power plants, including those powered by coal, gas, and oil, withdraw and consume water for cooling.
Description : Why should we use solar energy instead of fossil fuels?
Last Answer : Fossil fuels won't last for ever. We must research alternative power sources: of which solar power is just one possibility.
Description : What happenes if too much of fossil fuels is used?
Last Answer : Global warming
Description : Why is using fossil fuels considered unsustainable?
Last Answer : Notice the word "fossils " this is no mistake. After millions of years of heat and pressure the fossils became oil and other fuels that we use. Once gone they are gone because we don't have the time that it took for the death of dinosaurs to make it.
Description : which describes the burning of fossil fuels?
Last Answer : Burning fossil fuels contributes to climate change and are nonrenewable.
Description : how do fossil fuels form ?
Last Answer : The answer is dead organisms are compressed by dirt.
Description : Which of the following are fossil fuels?
Last Answer : Oil Natural Gas
Description : How do fossil fuels form?
Description : Which is result of the emissions from the use of fossil fuels?
Last Answer : Decrease in agricultural yieldsIncrease in sea levelsincrease in global temps
Description : Which is a leading theory for the formation of fossil fuels?
Last Answer : organic matter
Description : Do fossil fuels cause air pollution How?
Last Answer : Fossil fuels (coal, oil and natural gas), when burnt, emit carbon dioxide, which is classed as a pollutant when it is released into the other greenhouse gases in the atmosphere. The ... levels of greenhouse gases causing an enhanced (or accelerated) greenhouse effect which is causing global warming.
Description : What are the different types of fossil fuels?
Last Answer : Oil, Coal, and Petroleum
Description : Are fossil fuels renewable or nonrenewable resources?
Last Answer : Fossil fuels are considered nonrenewable as they are the product of living things that died in the distant past.