CBSE 10th Standard Science Subject Sources of Energy HOT Questions 2 Mark Questions With Solution 2021
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CBSE 10th Standard Science Subject Sources of Energy HOT Questions 2 Mark Questions With Solution 2021
10th Standard CBSE
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Reg.No. :
Science
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Hydrogen compounds are abundantly available on earth and it has high calorific values. But this is not used as a common fuel. Give any two reasons. What are being developed to use hydrogen as a common fuel?
(a) -
Why does a car parked in sunlight remains hot from inside even when there is no sunlight in the car?
(a) -
Energy can neither be created nor destroyed. Then why is there so must about energy crisis?
(a) -
Describe the areas where acids are most likely expected?
(a) -
It is said that a differences of 20o C in temperature of water at two levels can be exploited to generate electricity. Name the plant that can be used for this purpose. Describe the process and give its main advantages
(a)