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Olympiad Test: Coal And Petroleum


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15 Questions MCQ Test Science & Technology for UPSC CSE | Olympiad Test: Coal And Petroleum

Olympiad Test: Coal And Petroleum for Class 8 2022 is part of Science & Technology for UPSC CSE preparation. The Olympiad Test: Coal And Petroleum questions and answers have been prepared according to the Class 8 exam syllabus.The Olympiad Test: Coal And Petroleum MCQs are made for Class 8 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Coal And Petroleum below.
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Olympiad Test: Coal And Petroleum - Question 1

Water is a

Olympiad Test: Coal And Petroleum - Question 2

When coal burns in air then

Detailed Solution for Olympiad Test: Coal And Petroleum - Question 2

When coal burns in air, the carbon component of the coal comes in contact with the oxygen in the air and releases carbon dioxide CO2  when combined.

Olympiad Test: Coal And Petroleum - Question 3

The purest form of carbon is

Olympiad Test: Coal And Petroleum - Question 4

Coal tar contains about

Detailed Solution for Olympiad Test: Coal And Petroleum - Question 4

The correct option is C.
The coal tars are generally variable and complex mixtures of poly cyclic aromatic hydrocarbons, phenol as well as hetero cyclic compounds. Totally, there are roughly about 200 substances present in coal tar

Olympiad Test: Coal And Petroleum - Question 5

The first oil well was drilled in

Detailed Solution for Olympiad Test: Coal And Petroleum - Question 5

The U.S. petroleum industry began in 1859 when a former railroad conductor drilled a well 69.5 feet deep in Northwestern Pennsylvania.

Olympiad Test: Coal And Petroleum - Question 6

PCRA stands for

Olympiad Test: Coal And Petroleum - Question 7

An example of fossil fuel is

Detailed Solution for Olympiad Test: Coal And Petroleum - Question 7

The correct option is Option C.
Coal is called a fossil fuel because it was made from plants that were once alive! Since coal comes from plants, and plants get their energy from the sun, the energy in coal also came from the sun. The coal we use today took millions of years to form. Heat and pressure turned the dead plants into coal.

Olympiad Test: Coal And Petroleum - Question 8

Water is a natural resource.

Olympiad Test: Coal And Petroleum - Question 9

Wood is a fossil fuel.

Olympiad Test: Coal And Petroleum - Question 10

Oxygen gas is produced when coal burns.

Detailed Solution for Olympiad Test: Coal And Petroleum - Question 10

Fuels burn when they react with oxygen in the air. If there is plenty of air, complete combustion happens.  Coal is mostly carbon. During complete combustion, carbon is oxidized to carbon dioxide:
carbon + oxygen -- carbon dioxide
If there is insufficient air for complete combustion, incomplete combustion (also called partial combustion)  happens. Hydrogen is still oxidized to water, but carbon monoxide forms instead of carbon dioxide.

So, the correct answer is 'Carbon monoxide'.

Olympiad Test: Coal And Petroleum - Question 11

Coke is almost the purest form of carbon.

Olympiad Test: Coal And Petroleum - Question 12

Coal gas is formed when wood is heated in absence of air.

Detailed Solution for Olympiad Test: Coal And Petroleum - Question 12

When wood is heated above 270° C it begins to carbonize. If air is absent, the final product is charcoal. When the wood is dry it's temperature rises, and at about 270°C , it begins to spontaneously decompose. 

Olympiad Test: Coal And Petroleum - Question 13

First mechanically drilled oil well in India was drilled at Makum.

Detailed Solution for Olympiad Test: Coal And Petroleum - Question 13

On 26 March 1867, oil was struck at  merely 118 feet(35.97-m) in Asia's first mechanically drilled well at Makum  near Margherita area of upper Assam.

Olympiad Test: Coal And Petroleum - Question 14

The slow process of conversion of dead vegetation into coal is called _____.

Detailed Solution for Olympiad Test: Coal And Petroleum - Question 14

 Plants contain mainly carbon, which gets converted into coal. Hence, the slow process of conversion of dead vegetation into coal is called carbonisation.

Olympiad Test: Coal And Petroleum - Question 15

Petroleum is called black gold also.

Detailed Solution for Olympiad Test: Coal And Petroleum - Question 15

Petroleum is also known as Black Gold -  because when crude oil is extracted from the land it is black in color. People call it gold because of its oils and value . It is very difficult to find. So it is called Black Gold.

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