Question 4 :
What odorant is added to LPG to detect the leakage with smell?
Question 5 :
Which of the following crude oil will produce the best quality of energy-rich fuels?
Question 8 :
Identify the chemical which is used to detect leakage of LPG ;
Question 11 :
Which of the following is a resource that does not grow and come back, or a resource that would take a very long time to come back?
Question 12 :
Which of the following metal is the component of crude oil?
Question 14 :
Which of the following can not be taken to conserve energy resources (like coal and petroleum)?
Question 18 :
Assertion: Coal is one of the fuel used to cook food.
Reason: Coal can be used to fire a stove or an oven, but only if the food is in a completely separate environment from the fire.
Question 19 :
The major cause for land degradation in our country is :
Question 21 :
Which of the following substances is used as an antiknock compound?
Question 23 :
Among the following pick the correct way of conserving natural resources.
Question 24 :
The average boiling point of aviation turbine fuel is closest to that of:
Question 25 :
If materials (resources) are finished then people will struggle for ______.
Question 28 :
<ol style="display: inline !important;"><li style="display: inline !important;">How much of total crude oil of India is obtained from Gujarat ?</li></ol>
Question 29 :
In LPG cylinder, the gas filled is in the liquefied state.
Question 32 :
Which component obtained from the refining of petroleum is used as a solvent in petrochemicals?
Question 33 :
The chemical added to LPG to help detect its leakage is:
Question 37 :
Write True/False against the following statements.<br/>(c) Wildlife is an exhaustible natural resource.
Question 39 :
Which of the following hydrocarbon exists mostly in the gaseous state under the earth surface?
Question 42 :
Which of the following hydrocarbon exists mostlyin solid or liquid form under the earth surface?
Question 47 :
Assertion: Extensive use of fossil fuels poses dual problem. It increases air pollution and depletes fuel resources.
Reason: Fossil fuels release oxides of nitrogen and sulphur on burning that cause acid rain and smog.
Question 48 :
Which of the following measure can be taken to preserve natural resources?
Question 49 :
Which of the following substance is used in the laboratory for the fast drying of natural gases?