How can water be changed into ice

For the following, determine the type of reaction and then give products.

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?