Lakhmir Singh & Manjit Kaur - Physics

Book: Lakhmir Singh & Manjit Kaur - Physics

Chapter: 3. Sources of Energy

Subject: Physics - Class 10th

Q. No. 5 of Very Short Answer Type Questions-Pg-148

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5

Which component of biogas is used as a fuel?

Biogas contains 54-70% of methane which is used as a fuel.


Chapter Exercises

Very Short Answer Type Questions-Pg-121
Very Short Answer Type Questions-Pg-130
Very Short Answer Type Questions-Pg-140
Very Short Answer Type Questions-Pg-148
Very Short Answer Type Questions-Pg-156
Very Short Answer Type Questions-Pg-161
Short Answer Type Questions-Pg-122
Short Answer Type Questions-Pg-131
Short Answer Type Questions-Pg-140
Short Answer Type Questions-Pg-148
Short Answer Type Questions-Pg-157
Short Answer Type Questions-Pg-161
Questions Based on High Order Thinking Skills (HOTS)-Pg-123
Questions Based on High Order Thinking Skills (HOTS)-Pg-132
Questions Based on High Order Thinking Skills (HOTS)-Pg-142
Questions Based on High Order Thinking Skills (HOTS)-Pg-150
Questions Based on High Order Thinking Skills (HOTS)-Pg-159
Long Answer Type Questions-Pg-122
Long Answer Type Questions-Pg-131
Long Answer Type Questions-Pg-141
Long Answer Type Questions-Pg-149
Long Answer Type Questions-Pg-157
Multiple Choice Questions (MCQs)-Pg-122
Multiple Choice Questions (MCQs)-Pg-131
Multiple Choice Questions (MCQs)-Pg-141
Multiple Choice Questions (MCQs)-Pg-149
Multiple Choice Questions (MCQs)-Pg-158
Multiple Choice Questions (MCQs)-Pg-161

More Exercise Questions

1

What substance is obtained as a residue when wood is burned in a limited supply of air?
2

Name one source of energy which is not derived from solar energy directly or indirectly.
3

What name is given to the heat energy obtained from hot rocks inside the earth?
4

Name the agent which decomposes animal dung into biogas.
5

Which component of biogas is used as a fuel?
6

Name the constituents of biogas.
7

Which of the following is needed for the formation of biogas from cow-dung and which not?

Water, Oxygen
8

Name the clean fuel which can be obtained from cow-dung.
9

Apart from cattle dung, what other substances can be added to a biogas plant?
10

Name any three forms of energy which could be harnessed from the sea.
11

Write two forms in which solar energy manifests itself in sea.
12

Write the full form of OTE.
13

What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?
14

State whether the following statement is true or false:

Tidal energy is one of the forms in which solar energy manifests itself in oceans.
15

Fill in the following blanks with suitable words:

(a) Biomass is another form in which .......... energy manifests itself.


(b) Tidal waves build up and recede .............. a day.

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