Determination of density of solids and liquids - Jamb Physics Past Questions and Answers

Question 16:

• JAMB 2013

What volume of alcohol will have same mass as 4.2m^-3 of petrol?
Density of alcohol = 8.4 x 10²kgm^-3, density of petrol =7.2x10³kgm^-3

A. 0.8m³
B. 1.4m³
C. 3.6m³
D. 49.m³

Question 17:

• JAMB 2018

The density of 400cm of palm oil was 0.9gcm-3 before frying. If the density of the oil was 0.6gm-3 after frying, assuming no loss of oil due to spilling, its new volume was?

A. 1360cm\(^3\)
B. 600cm\(^3\)
C. 240cm\(^3\)
D. 8000m\(^3\)

Question 18:

• JAMB 2020

A solid weighs 4.8g in air, 2.8g in water and 3.2g in Kerosine. The ratio of density of the solid to that of the kerosine is

A. 2
B. \(\frac{3}{2}\)
C. \(\frac{2}{3}\)
D. 3