Self Studies

Combustion And ...

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  • Question 1
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    What should be the state of a substance in order to undergo combustion?

  • Question 2
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    What happens to the ignition temperature of the burning object when the fire brigade pours water on it?

  • Question 3
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    Wood cannot burn by just bringing a matchstick near it, because

  • Question 4
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    Which out of the following chemical substances are the components of a matchstick head?
    (I) Antimony trisulphide (II) Potassium Chlorate
    (III) Red Phosphorus (IV) Powdered glass

  • Question 5
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    Which out of the following options is not an inflammable substance?

  • Question 6
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    Which out of the following options is not an essential condition for combustion?

  • Question 7
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    Water will not work as a fire extinguisher in
    I. in an electrical appliances shop
    II. in a newspaper factory
    III. in a furniture house

  • Question 8
    1 / -0

    In what form carbon dioxide is stored in cylinders?

  • Question 9
    1 / -0

    Which of the following substances has the maximum calorific value?

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