Uses of salts

Answer 1

You can use NaCl to season food for taste, and a little is needed as the body needs to maintain 0,9% salinity, not more nor less.

NaCl in excess is also poisonous so it is used to kill plants and preserve food.

Many kinds of salt have industrial, agricultural and medical uses.

Salts also alter the boiling and freezing points of water.

KCl (nowadays replaced with NaCl) has been used to melt snow and ice on roads.

Sodium glutamate is used to enhance flavours in cooking.

Also bensoates and nitrates are used in food production.

Soil is fertilised with nitrates, phosphates and sulfates.

Plaster is made of calcium sulfate

Acetates are used for polymers.

In certain spritual beliefs salt is used to protect from evil spirits.

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Answer 2

Adding salt to water will raise the temperature at which it boils and lower the temperature at which it freezes. Salt is a terrific flavor enhancer, helping to reduce bitterness and acidity, and bringing out other flavors in the food. Adding salt to bread dough controls the action of the yeast and improves the flavor. Bread made without salt will have a coarser texture and a blander flavor than bread made with salt. Adding a little salt balances the flavor of sweets like cakes, cookies, and candies. Boiling eggs in salted water makes them easier to peel. Adding salt (preferably non-iodized) to cream or egg whites before they're whipped increases their volume and serves as a stabilizer. Salt has been used for millennia as a preservative for meats, fish, cheese, and other foods. It works by absorbing moisture from the cells of bacteria and mold through osmosis, which kills them or leaves them unable to reproduce. Salting slices of eggplants helps draw out the bitter juices. Sprinkling salt on meat before broiling or grilling it draws moisture from the center, making it browner on the outside, but less juicy on the inside.

A little NaCl is needed as the body needs to maintain 0,9% salinity, not more nor less.

NaCl in excess is also poisonous so it is also used to kill plants.

Many kinds of salt have industrial, agricultural and medical uses.

KCl (nowadays replaced with NaCl) has been used to melt snow and ice on roads.

Sodium glutamate is used to enhance flavours in cooking.

Also bensoates and nitrates are used in food production.

Soil is fertilised with nitrates, phosphates and sulfates.

Plaster is made of calcium sulfate.

Acetates are used for plasticisers etc for materials manufacturing.

In certain spritual beliefs salt is used to protect from evil spirits.

Answer 3

Anti-caking agents

Sodium ferrocyanide, also known as yellow prussiate of soda, is sometimes added to salt as an anticaking agent. The additive is considered safe for human consumption.[38][39] Such anti-caking agents have been added since at least 1911 when magnesium carbonate was first added to salt to make it flow more freely.[40][41] The safety of sodium ferrocyanide as a food additive was found to be provisionally acceptable by the Committee on Toxicity in 1988.[38] Some other anticaking agents include tricalcium phosphate, calciumor magnesium carbonates, fatty acid salts (acid salts), magnesium oxide, silicon dioxide, calcium silicate, sodium aluminosilicate, andcalcium aluminosilicate. Both the European Union and the United States Food and Drug Administration (FDA) permitted the use ofaluminum in the latter two compounds