These are exhaustible nonrenewable resources. Our known petroleum will last for about forty years and coal resources will last for another two hundred years, so we should use them judiciously. When the fossil fuel is burnt, carbon dioxide, oxides of nitrogen and sulfur and water are formed.
Why do we use coal and petroleum judiciously?
Coal and petroleum should be used judiciously because they are limited which wil soon get exhausted or finished and these also pollute our environment. Coal and petroleum were formed millions of years ago from the degradation of biomass. These are exhaustible non-renewable resources.
Why must we use fuel judiciously?
We need to use fossil fuel judiciously because it is fast disappearing from earth and it is also a cause of pollution. Fossil fuels are non-renewable materials such as petroleum (oil and gas) and coal. It does not only cause air pollution but also brings about change in climate and global warming.
What are the uses of coal and petroleum?
These fossil fuels are then refined into usable substances such as petrol, kerosene etc.
Products of Petroleum
- Diesel oil.
- Heavy fuel oil.
- Petroleum coke.
- Special Naphthas.
Why should we use some resources like coal and petroleum in limit?
Q12: Why should we use some resources like coal and petroleum in limit? Ans: As we know Coal and petroleum are fossil fuels. The dead organisms takes millions of years to get converted into these fuels, On the other hand the known reserves of these will last almost a few hundred years.
How is petroleum obtained?
Petroleum, also called crude oil, is a fossil fuel. Like coal and natural gas, petroleum was formed from the remains of ancient marine organisms, such as plants, algae, and bacteria. … Petroleum reservoirs can be found beneath land or the ocean floor. Their crude oil is extracted with giant drilling machines.
What are the products formed when coal and petroleum are burnt?
When coal and petroleum are burnt, the products are carbon di oxide, oxides of nitrogen, oxides of sulphur. When combustion takes place in sufficient air the carbon monoxide is formed instead of carbon dioxide.
Why is CNG preferred over LPG?
CNG preferred over lpg because it produce greenhouse gases upon combustion, it is a more environmentally clean alternative to other fossil fuels like gasoline or LPG.
What is the meaning of judiciously?
: having, exercising, or characterized by sound judgment judicious investments a judicious decision.
Why do we need fossil fuel?
Fossil fuels such as Coal, Oil and Gas are some of the most important natural resources that we use everyday. … Fossil fuels are used to produce energy; in the home they are burned to produce heat, in large power stations they are used to produce electricity and they are also used to power engines.
What is difference between coal and petroleum?
Basically, these differences center around the fact that coal is found at its site of deposition as a solid and relatively pure massive organic substance, whereas petroleum is liquid and migrates readily from its place of origin into porous reservoir rocks.
Why is coal still used today?
That’s largely because of the shale gas revolution, which suddenly made natural gas cheaper than coal for generating electricity. … Global coal use continues to rise, especially in developing economies. About 38 percent of global electricity comes from coal, and in many countries it’s a mainstay for industrial uses, too.
How can we reduce the use of coal and petroleum?
The steps which can be taken to reduce the consumption of coal and petroleum products are: (i) Switch of the lights, fans, television and other electrical appliances to save electricity. (ii) Use energy efficient electrical appliances to save electricity. This can be done by using CFL and Fluorescent tube lights.
Is coal found in petroleum belt?
О Coal, petroleum and natural gas are fossil fuels. … О Coke, coal tar and coal gas are the products of coal. О Petroleum gas, petrol, diesel, kerosene, paraffin wax, lubricating oil are obtained by refining petroleum. О Coal and petroleum resources are limited.
Which is known as black gold?
Black gold is a term applied to oil or petroleum, which is black when it comes out of the ground and is worth a great deal of money. Prior to the mid-19 th century, oil from animal tallow (fat) and whale blubber was used as a lubricant and fuel.
Why is coal and petroleum important man?
The petroleum and coal are considered to be the exhaustible natural resources, as they are presented and sustained in minimal quantity. These resources are scarce and took several years or generations to get produce. … Coals are the important one for cooking foods and generation of thermal electricity.