Question

    Quality of petrol depends

    upon:
    A Cetane number Correct Answer Incorrect Answer
    B Gold number Correct Answer Incorrect Answer
    C Avogadro number Correct Answer Incorrect Answer
    D Octane number Correct Answer Incorrect Answer

    Solution

    The quality of petrol is measured by the Octane Number. The higher the octane number, the better the fuel. It is zero for heptanes and 100 for iso-octane.

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