Solubility test

Which of the following contain a positive charge?

• hydronium ions

• hydroxide ions

• electrons

• neutrons

What would be the best choice for neutralizing sulfuric acid?

• NaCl

• Hydrocholoric acid

• ammonium hydroxide

• nitric acid

Raisins in cereal is an example of a ____________

• homogeneous mixture

• heterogeneous mixture

• solvent

• salt

sugar dissolves in water because both are made up of

• different molecules

• nonpolar molecules

• heterogeneous mixture

• polar molecules

Steel is a

• mixture

• liquid solution

• alloy

• gaseous solution

an example of an alloy is

• iron

• carbon

• lead

• brass

Water at room temperature can hold less salt than if the water is

• hot

• cold

• cool

• carbonated

a factor that does not affect solubility is

• polarity

• temperature

• color

• pressure

Water is said to be the universal solvent because

• is found everywhere in the universe

• covers most of the planet

• can dissolve so many different solutes

• is a nonpolar molecule

What does it mean to say that water has polar covalent bond

• water's atoms don't share electrons equally

• Water's atoms do share electrons equally

• water is found in the polar caps

• water sticks to ice