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Combustion and ...

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  • Question 1
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    One of the phenomenon which cannot be described as combustion is:

  • Question 2
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    In photosynthesis in plants, $${H}_{2}O$$ and $${CO}_{2}$$ react in presence of light and chlorophyll to give carbohydrate and oxygen. When the carbohydrate is burnt in air, the gases produced are:

  • Question 3
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    Which of the following diagrams shows a non-luminous flame?

  • Question 4
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    When a burning candle is covered with a glass it extinguishes because:

  • Question 5
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    There are holes below the chimney of an oil lamp:

  • Question 6
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    The characteristic(s) of a ideal fuel is(are):

  • Question 7
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    Which among the following has the highest calorific value?

  • Question 8
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    The flame of the candle has three zones. The outer zone is blue, the middle zone is yellow and the inner zone is black. Which is correct regarding this?

  • Question 9
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    Which among the following has the highest calorific value?

  • Question 10
    1 / -0

    Quality that is not suitable for a fuel is ________ .

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