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winter ice melting salt on the ground, pattern as background

Why Does Salt Melt Ice?

Waves, North Shore of Oahu, Hawaiian Islands, United States.

Why Is the Ocean Salty?

Several red apples with cut apple in the foreground.

Can Apple Seeds Kill You?

Discover

Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

7 Deadliest Weapons in History

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England

Inventors and Inventions of the Industrial Revolution

American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

What’s the Difference Between Bison and Buffalo?

Poker game. Card game. Royal Flush in poker. Hearts suit gambling

Poker Hands Ranked

Happy, smiling, flying pig

7 Everyday English Idioms and Where They Come From

Turtle, tortoise, reptile. Uses assets 88582 & 89606

What’s the Difference Between a Turtle and a Tortoise?

salt: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Last Updated: May 26, 2025

News •

House Republican tax bill passes 'SALT' deduction cap of $40,000. Here's who would benefit. • May 23, 2025, 12:03 AM ET (NBC)

Live updates: Donald Trump tries to break GOP impasse on Medicaid, SALT in 'big, beautiful bill' • May 20, 2025, 4:17 PM ET (The Hill)

Republican tensions escalate to a boiling point on 'SALT' tax fight in Trump's big bill • May 14, 2025, 11:44 PM ET (NBC)

SALT Republicans to make final push at Ways and Means lunch • May 7, 2025, 11:16 PM ET (Politico)

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salt cyanide ammonium chloride nitrite Rochelle salt carbonate sulfite oxalate silicate phosphite coordination compound organic compound organometallic compound inorganic compound polymer hydrate nonstoichiometric compound anhydride acid homologous series

Demystified

winter ice melting salt on the ground, pattern as background

Why Does Salt Melt Ice?