22. Which of the following is the equation used to calculate the density of a substance? [ ]
A) D = V/m B) D = m/V C) D = m + V D) D = V × m
23. Which of the following units are best for expressing the density of a solid? [ ]
A) g/mL B) m3
/kg C) g/cm3
D) N/cm3
24. Which physical property of matter describes the relationship between mass and volume?
A) density B) ductility C) reactivity D) weight [ ]
25. If you have 5 ml of a liquid that has a mass 20 g, what is the density of the liquid?[]
A) 0.79 ml/g B) 0.79 g/ml C) 1.26 ml/g D) 4 g/ml
26. The units of volume of a liquid are [ ]
A) grams or kilograms B) meters or centimeters
C) newtons D) liters or milliliters
27. Which property of matter is demonstrated by the fact that you cannot fit any more books onto
a bookshelf that is already filled? [ ]
A) inertia B) mass C) volume D) weight
28. Why doesn’t an ice cube float in air? [ ]
A) Water is less dense than air. B) Air is denser than ice.
C) An ice cube is denser than air. D) Air has more pressure.
29. Ship floats on sea water due to [ ]
A) the number of passengers it carries B) the amount of cargo it carries
C) its hollow shape D) its size
30. How do you find the volume of an irregular solid? [ ]
A) by multiplying the lengths of its sides B) through water displacement
C) by using a balance D) by weighing it
31. Which of the following substances is less dense than air? [ ]
A) water B) helium C) ice D) gold
32. The unit of pressure [ ]
A) Bernoulli B) pascal C) pound D) meter
33. Water pressure increases as [ ]
A) depth increases. B) gravity increases.
C) force decreases. D) acceleration decreases.
34. A ship stays afloat as long as the buoyant force is [ ]
A) less than the ship’s weight. B) greater than the ship’s weight.
C) less than the ship’s speed. D) greater than the ship’s speed.
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Milk dairies like Sudha Diary are joint sector industries.
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