Answer
A) Blue-green and solid are qualitative, the mass and density are quantitative.
B) Blue-green, solid and the density are intensive; the mass is extensive.
C) $0.94\ cm^3$
Work Step by Step
A) Blue-green and solid are qualitative, the mass and density are quantitative.
B) Blue-green, solid and the density are intensive; the mass is extensive.
C) $\rho=\frac{m}{V}$, given $\rho=2.65\ g/cm^3,\ m=2.5\ g$
$V = 0.94\ cm^3$