Table salt

High school (ages 12+)
Food & Cooking

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/table-salt

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the chemical composition?An ionic compound formed from sodium (Na+) and chloride (Cl-) ions
2. What is the primary industrial use?Feedstock for the chlor-alkali process, producing chlorine and sodium hydroxide
3. What is table salt made of?Table salt is made of tiny white crystals of sodium chloride, a chemical called NaCl. It gives food a salty taste.
4. Why was salt so valuable in ancient times?Salt was very valuable because it helped keep food from spoiling, allowed long trips, and was even used as money. Trade routes were built just to carry salt.

Halite: The mineral form of sodium chloride, commonly known as rock salt.
Osmotic pressure: The pressure needed to stop the flow of water across a semipermeable membrane.
Chlor-alkali process: Electrolysis of brine to produce chlorine, sodium hydroxide, and hydrogen.