Advertisements
Advertisements
Question
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
How does substance X make the detection of leakage of LPG easy?
Solution
Ethyl mercaptan is a pungent substance and hence easy to detect.
APPEARS IN
RELATED QUESTIONS
State any four characteristics of a good source of energy.
A non-renewable source of energy is:
(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas
Calorific value and ignition temperature of fuel X are 75 kJ/g and 20°C respectively. These values for fuel Y are 50 kj/g and 75°C respectively. On burning, the fuel Y produces only CO2while fuel X produces CO2 and CO. Which of the two is a better fuel? Give two reasons to support your answer.
Why is LPG considered a better fuel than coal?
The product of petroleum used to drive heavy vehicles like trucks is:
(a) petrol
(b) kerosene
(c) diesel
(d) carbon oxide
When the material A mined from the earth is heated strongly in an insufficient supply of air, it produces a solid fuel B which consists mainly of carbon. When another material C obtained from trees is heated in an insufficient supply of air, it produces another solid fuel D which also consists mainly of carbon. Name A, B, C and D
Choose the correct answer.
Windmills have been used for many centuries in
What are fossil fuels?
Write True/False against the following statement.
Oxygen in air is an exhaustible natural resource.
Write True/False against the following statement.
Wildlife is an exhaustible natural resource.