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Satkriti Roao
@satkriti-roao
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Joined: Jun 14, 2021
Last seen: Aug 6, 2021
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Topics: 2248 / Replies: 1
AllTopicsReplies
Topic
Name some of the solar energy devices.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 364
Topic
What type of reactions occurring inside the sun produce solar energy?
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 195
Topic
Why is the copper tube of a solar water heater painted black from outside?
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 295
Topic
Write one use of wind energy (a) in the past (b) at present.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 106
Topic
What should be the minimum wind speed for the satisfactory working of a wind-powered electric generator?
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 111
Topic
Name the original source of wind energy.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 385
Topic
Flowing water can rotate a turbine. Which type of energy is used up by the turbine?
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 210
Topic
What type of energy is possessed by flowing water?
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 80
Topic
A hydro-power plant converts one form of energy into another. Name the two forms of energy.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 81
Topic
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 87
Topic
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinders easy.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 62
Topic
The energy in petrol originally came from the sun. Explain how it got into petrol.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 93
Topic
Fossil fuels are energy-rich compounds of element X which were originally made by the plants with the help of sun’s energy.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 94
Topic
Which fossil fuels were formed by the buried remains of small plants and animals? (b) Which fossil fuel was formed by the buried remains of large land plants?
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 86
Topic
(a) Describe how fossil fuels were formed. (b) Explain how sun is considered to be the ultimate source of fossil fuels.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 71
Topic
What are fossil fuels? Give three examples of fossil fuels.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 314
Topic
Why is the leakage of LPG detected easily although it is odourless? State the steps to be taken in case its leakage is detected in the kitchen.
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 114
Topic
Why is LPG considered a better fuel than coal?
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 404
Topic
Why is LPG considered a good fuel?
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 182
Topic
If you could use any source of energy for heating your food, which one would you use and why?
4 years ago
Forum
Sources of Energy
Replies: 0
Views: 342
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