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Subjects
Science State Board
Class 9
Fluids
Relative density and buoyancy
2.
Nature of fluids and density
Exercise condition:
3
m.
Pick
true or false
:
1
.
Hydraulic press works on the principle of pascal's law.
False
True
2
.
A lactometer is a device that measures the purity of milk and it operates on the basis of gravity of milk.
False
True
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