Burning of coal and diesel releases sulphur dioxide gas.
Global warming can cause acid rain.
LPG has higher calorific value than biogas.
A
CO2 is the best fire extinguisher.
B
LPG has higher calorific value than biogas.
C
Burning of coal and diesel releases sulphur dioxide gas.
D
Global warming can cause acid rain.
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Solution
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Global warming may cause glaciers to melt, which may lead to the rise in sea level and submerge low-lying areas but does not cause acid rain.
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Similar Questions
Q1
Question 22
Indicate whether the following statements are true or false. Also write the false statements in their correct form.
(a) Air is necessary for combustion.
(b) Magnesium is a non-combustible metal.
(c) Carbon dioxide is an excellent fire extinguisher.
(d) Calorific value of wood is higher than that of coal
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Q2
Indicate whether the following statements are True or False. Also, write the false statements in their correct form.
(a) Air is necessary for combustion.
(b) Magnesium is a non-combustible metal.
(c) Carbon dioxide is an excellent fire extinguisher.
(d) Calorific value of wood is higher than that of coal.
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Q3
Calorific value of wood is higher than that of coal.
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Q4
Which of the following is the main cause of global warming ?
(a) nitrogen dioxide
(b) sulphur dioxide
(c) carbon dioxide
(d) ozone
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Q5
Fuel
Calorific Value (kj/g)
charcoal
33
coal
25.33
wood
17
diesel
45
kerosene
48
petrol
50
biogas
35 to 40
butane (LPG)
50
methane
55
hydrogen
150
Based on the table above, which of the following is the correct sequence in which the fuels that give out most heat to the least heat energy will be arranged?
(a) hydrogen, wood, coal, biogas, methane
(b) methane, kerosene, diesel, charcoal
(c) coal, kerosene, petrol, hydrogen
(d) hydrogen, butane, diesel, kerosene