# Density: Question Preview (ID: 21603)

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What happens to the denisty of a solid object if you cut it into 8 equal pieces? |
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a) The density stays the same | b) Each piece has a density 1/8 of the original | c) The density of each piece is 8 times greater | d) Each piece has a density 1/4 of the original | |

What is the formula for density? |
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a) Mass times volume | b) volume divided by mass | c) mass divided by volume | d) volume times mass | |

Objects in water will float if the density of the object is |
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a) more than 1 | b) less than 1 | c) twice the amount of the water | d) 1 | |

The proper units to use when measuring density are |
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a) g/cm3 | b) cm3 | c) g | d) cm3/g | |

What is the density of an object if the volume is 50.0 cm3 and the mass is 25.0g |
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a) 2.0 g/cm3 | b) 1.0 g/cm3 | c) 1250.0 g/cm3 | d) 0.5 g/cm3 | |

If an object has a density of 0.9 g/cm3 it will |
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a) sink in alcohol that has a density of 0.8 g/ml | b) it will sink in water that has a density of 1.0 g/ml | c) float in oil that has a density of 0.7 g/ml | d) float in alcohol that has a density of 0.8 g/ml | |

An object will sink in water if it has a density |
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a) equal to the density of water | b) 1/2 the density of water | c) less than 1 | d) greater than 1 | |

A block of metal has a mass of 14.0 kg and a volume of 2.0 L. What is the density? |
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a) 28.0 g/ml | b) 7.0 g/cm | c) 7.0 g/ml | d) 28.0 g/cm | |

Oil floats on water. The most accurate reason for this is |
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a) Oil is more dense than water | b) Water is less dense than oil | c) oil is immiscible (does not dissolve) in water | d) oil is less dense than water | |

A graduated cylinder contains 100 ml of a liquid. The mass of the graduated cylinder with the liquid is 145 grams.The mass of the graduated cylinder when empty is 45 grams. The liquids density is |
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a) 3.2 g/ml | b) 1.0 g/ml | c) 0.3 g/ml | d) 5.4 g/ml | |

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