Advertisements
Advertisements
प्रश्न
List the products of combustion of fossil fuels. What are their adverse effects on the environment?
उत्तर
Fossil fuels are composed of carbon, hydrogen, nitrogen and sulphur. When these are burnt, the products are CO2, H2O, oxides of nitrogen and sulphur. Incomplete combustion of fossil fuels produces green house gases such as CO2. If huge amount of fossil fuels are burnt, it would produce high amount of CO2 resulting in intense global warming.
APPEARS IN
संबंधित प्रश्न
Explain the process of formation of petroleum.
Which fossil fuel is conserved when we save on electricity?
State any five steps to reduce the consumption of coal and petroleum products.
Which of the following combination of terms has no fossil fuel?
(a) wind, ocean, coke
(b) kerosene, tide, wind
(c) wood, wind, sun
(d) petrol, wood, sun
While discussing about coal and petroleum a teacher told his students about PCRA's (Petroleum Conservation Research Association) guidelines to save the fossil fuels while driving vehicles. Deepa was going to her school with her mother who was driving car. At the traffic signal, when the light was red, Deepa suggested her mother to switch of the engine.
After reading the above passage, answer the following questions :
(a) Fossil fuels are natural resources, then why do we need to conserve them?
(b) List any two ways of saving the fossil fuels.
(c) State two values exhibited to Deepa.
Write two disadvantages of burning fossil fuels.
The term petroleum means ________
What measures would you take to conserve electricity in your house?
Which of the following is not a constituent of petroleum?
Write some important uses of the various constituents of petroleum.
