Which acid is used in an acid battery hydrometer?
H_{2}SO_{4}
Hcl
HNO_{3}
NO_{3}
Find out correct expression.
Density of water is
1000 gcm^{-3}
1 kgm^{-3}
1 gcm^{-3}
None of these
Relative density of silver is 10.5. What is the density of silver in SI unit?
10.5 × 10^{3} kgm^{-3}
10 kgm^{-3}
10.5 kgm^{-3}
10.3 kgm^{-3}
SI unit of upthrust is
Pa
N
Kg
Kgm^{2}
1 Pa =
1 Nm
1 N
1 Nm^{-2}
0.5 Nm^{-2}
Find expression for density.
ρ = M V
ρ = M + V
The unit torr is related to the barometric height as
1 torr = 1 cm of Hg
1 torr = 0.76 m of Hg
1 torr = 1mm of Hg
1 torr = 1m of Hg
The normal atmospheric pressure is
76m of Hg
76cm of Hg
79 Pa
76 Nm^{-2}
Unit of relative density is
gcm^{-3}
No unit
Kgm^{-3}