Science Quiz on Density and Atoms
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Questions and Answers

Why does a raw egg sink in water but rise in salt water?

  • Due to a chemical reaction with salt (correct)
  • Because egg whites are lighter than the water
  • Because of the egg's size
  • Due to the increased density of salt water

    • Which statement accurately describes a neutral atom?

  • It has more electrons than protons
  • It is positively charged
  • It has more protons than electrons
  • It has no charge (correct)

    • What happens when salt is crumbled?

  • It transforms into a new substance
  • A chemical change occurs
  • It represents a physical change (correct)
  • It causes an increase in temperature

    • How would you describe the formation of water from hydrogen and oxygen?

    <p>It is a chemical change</p> Signup and view all the answers

    What is the relative density of milk if its density is 1030 kg/m³ and the density of water at 4°C is 1000 kg/m³?

    <p>$1.03$</p> Signup and view all the answers

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