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WorksheetsPretest P1 Pharmacy Physics
Total questions: 10
Worksheet time: 10mins
The mass per unit volume of a substance at a certain temperature and pressure is called
Specific gravity
Density
Molecular weight
Pressure
Calculate the density of 25 ml of acetone if it has a mass 8,23 grams
0,3292 gram/ml
3,292 grams/ml
32,92 grams/ml
3292 grams/ml
The following things that can not affect the density is
Mass
Volume
Temperature and pressure
Surface Area
The following tools can be used to measure the density of a substance
1) Pycnometer
2) Thermometer
3) Hydrometer
4) Viscometer
5) Densitometer
Choose the right answer
1,2,3
2,3,5
1,3,5
2,4,5
Bobot jenis suatu benda akan memiliki nilai yang kecil ketika
Kerapatan suatu zat lebih besar daripada kerapatan air
Kerapatan suatu zat lebih kecil daripada kerapatan air
Volume suatu zat lebih besar daripada volume air
Volume suatu zat lebih kecil daripada volume air
Penentuan bobot jenis nyata umumnya menggunakan
Aquadest
Etanol
Kloroform
Air Raksa
Which of the following statements about true density and apparent density are true:
The true density will be numerically less than the true density
The apparent density is numerically equal to the true density
The apparent density will be numerically greater than the true density
The true density will be numerically greater than the apparent density
According to the metric system, the value of the density of water at 4o C is
1 gram/cc
10 grams/cc
0,1 gram/ cc
100 gram/ cc
Calculate the volume if the density is 0.525 grams/ml and the mass of the sample is 4.526 grams
8.6209 ml
86,209 ml
8,5109 ml
85.109 ml
The ratio of the density of a substance to the density of water at the same temperature is called
Specific gravity
Density
Molecular weight
Pressure
