NC Physical Science Exam Review - Physics & Matter

A type of mixture that forms when one substance dissolves in another is known as a

• heterogeneous mixture

• solution

• solute

• solvent

What is a solvent

• the liquid in which a solute is dissolved to form a solution.
• Another word for solution
• A thing that make drinks turn colors
• Its a metal molecole

If I dissolve sugar in water, what is the solute?

• Water
• Hydrogen
• Sugar
• Carbon

If I dissolve carbon dioxide in water, what is the solvent?

• Carbon Dioxide

• There is no solvent

• Oxygen

• Water

Which substance is least soluble at 0 ºC?

• KI

• KNO₃

• KClO3

• Ce₂(SO₄)₃

Tags

NGSS.HS-PS1-5

At 80'C, KBr's solubility is:

• 100

• 90

• 80

• 0

Tags

NGSS.HS-PS3-4

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer

A(n) _______ is a substance with a pH greater than 7.

• Base
• Acid
• Buffer
• Water

A base is a substance

• That releases OH- ions when dissolved in water

• That releases H+ ions when dissolved in water

• Does not release any ions when dissolved in water

• None of the above

An acid

• is a substance that releases H+ ions when dissolved in water

• is a substance that does not release any ions when dissolved in water

• is a substance that releases OH- when dissolved in water

• releases an equal amount of OH- and H+ ions when dissolved in water