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Coal and Petrol...

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  • Question 1
    1 / -0

    Coal tar can be used as a starting material for manufacturing
    (i) Drugs
    (ii) Photographic materials
    (iii) Cookwares
    (iv) Explosives

  • Question 2
    1 / -0

    Read the following statements carefully.

    X: It is a fossil fuel used in thermal power plants to produce electricity.
    Y: It is a porous, black and almost pure form of carbon.
    Z: It is a mixture of about 200 substances. X, Y and Z are respectively

  • Question 3
    1 / -0

    One word answers are given for a few statements. Mark the answer which is not correct.

  • Question 4
    1 / -0

    Which of the following represents an incorrect match?

  • Question 5
    1 / -0

    Read the given statements and select the correct option.

    Statement 1: Petrol condenses near the top of the fractionating column while diesel oil near the middle of the column.
    Statement 2: Petrol is more volatile than diesel oil.

  • Question 6
    1 / -0

    Match column I with column II and choose the correct option from the codes given below.

    Column I (Amorphous forms of carbon) Column II (Uses)
    (P) Lamp black (i) For making electrodes for dry cell.
    (Q) Bone Charcoal (ii) In gas masks
    (R) Wood charcoal (iii) In extraction of metals
    (S) gas carbon (iv) To remove colour from sugarcane juice
    (T) Coke (v) For making black shoe polish

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  • Unanswered - 6

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