What volume of alcohol will have same mass as 4.2m-3 of petrol? Density of alcohol…

What volume of alcohol will have same mass as 4.2m-3 of petrol?
Density of alcohol = 8.4 x 10^2 kgm-3, density of petrol =7.2×10^2 kgm-3

  • A.
    0.8m3
  • B.
    1.4m3
  • C.
    3.6m3
  • D.
    49.m3
Correct Answer: Option C
Explanation

Mp = ep x Vp
Mp = 7.2 x 102 x 4.2 = 3024
VA = (frac{M}{e_A})
VA = (frac{3024}{8.4 times 10^2})
VA = 3.6

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In the diagram above, O is the centre of the circle, If o and o. Calculate A. 20o…
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