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Everyday Science: Salt Quiz
by Staff
Calling someone the "salt of the earth" is a compliment for a reason. Salt has been an immensely important and coveted substance throughout history. The more you learn about salt, the more you'll appreciate that shaker on your kitchen table.

What are the two basic elements that make up salt?

  • sodium and chlorine
  • sodium and carbon
  • silicon and calcium

What's the name for the condition in which someone is suffering from too little salt?

  • hyponatremia
  • hypernatremia
  • There is no such thing as too little salt.

According to the National Heart, Blood and Lung Institute, what is the most salt we should consume per day?

  • 1.2 grams
  • 2.4 grams
  • 4.2 grams

Common table salt usually contains what additive?

  • calcium
  • iron
  • iodine

Which kind of salt can be found in a variety of colors?

  • sea salt
  • kosher salt
  • table salt

About how many tons of salt were produced in the world in 2006?

  • 1 million tons
  • 50 million tons
  • 200 million tons

Which of the following salt harvesting methods is used to produce most of the table salt we consume?

  • solution mining
  • deep-shaft mining
  • solar evaporation

Which of the following methods is the purest way to harvest salt?

  • solution mining
  • deep-shaft mining
  • solar evaporation

Which important function can salt serve in relation to food?

  • preserving meats
  • regulating yeast fermentation in bread
  • both of the above

Which historical person lead a famous protest against salt taxes?

  • Samuel Adams
  • Gandhi
  • Martin Luther King, Jr.