Question 4 :
Assertion: CNG considered to be a better fuel than petrol. Reason: It is a clean burning fuel which causes less pollution. Also it has a higher ignition temperature and it is a non-toxic fuel that does not pose any danger of contamination to ground water.

Question 7 :
Which coal is the generally the primary source of coke production?

Question 10 :
State whether the given statement is true or false:<br/>Under high temperature and pressure, dead plants get slowly converted to coal.<br/>

Question 11 :
The petroleum product that has replaced coal-tar&#160;for metalling the road is __________.

Question 13 :
On which of the following content of coke, its price depend?

Question 16 :
Which of the following products obtained by destructivedistillation of coal, is not properly matched?

Question 21 :
The fuel used as aviation fuel in jet aeroplanes is a special grade of _________ .

Question 25 :
The petroleum product used as fuel for stoves, lamps and jet aircraft is :<br/>

Question 29 :
The burning of fossil fuels causes&#160;air pollution, acid rains and increases the temperature of the globe.

Question 30 :
<table class="wysiwyg-table"><tbody><tr><td><br/></td><td>List I</td><td></td><td>List II</td></tr><tr><td>A</td><td>Kerosene</td><td>I</td><td>Metalling of roads</td></tr><tr><td>B</td><td>Diesel</td><td>II</td><td>Jet aircraft fuel</td></tr><tr><td>C</td><td>Paraffin Wax</td><td>III</td><td>Generation of electricty</td></tr><tr><td>D</td><td>Bitumen</td><td>IV</td><td>Lubricants</td></tr></tbody></table>

Question 33 :
If materials (resources) are finished, then people will struggle for ________ for energy.

Question 34 :
Which of the following is basic compound present in coal tar?<br>

Question 39 :
Useful substances obtained from petroleum and natural gases arecalled as ________.

Question 40 :
Coal is the limited natural resources which on distillation produces __________.

Question 43 :
The process of conversion of dead vegetation into coal is termed as:

Question 47 :
Which of the following constituents of coal is the most important in production of coke?

Question 48 :
Among the following, which is not the component of coal gas?

Question 50 :
_________ are the primary reason for finishing materials ( resources ) fastly.