Question

U! Information in it. With the help of that
Uber neutrons present in the non-metallic elements of
alle.17 element
(5 marks)
15 marks
4. Take a beaker with some water and place a lighted candle in standing
position in it. Now cover the candle with a test tube to cut off it air supply. For how
long does the candle keep on burning? How much water rises up in the test tube?
Nhy did it happen so? Explain with diagram. You can perform this experiment with
utensils available at your home in case of non availability of the beaker and test tube.
(5 marks)
Have a look for heating and cooling processes at your home. Observe them
arefully to find that how the heat is being transferred in these processes. Make a
part of any five such processes along with the mechanism of heat transfer in it. For
kample:
Sr No Process
Heat Transfer Mechanism
1.
Making of Tea
Heat transfers from fire to saucepan by radiation
(5 marks)
Take a piece of Steel or Iron and magnetize it. Check it for its magnetization,
that​

Answer 1

Answer:

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