Science 10_Reviewer 4thQ

Why does the mass of air have almost negligible volume?

• It has molecules that are compressible.

• It has molecules that are scattered and move in random motion.

• It has molecules that are sensitive to pressure.

• It has molecules that take the shape of the container.

Amino acids are the building blocks of which group of biomolecules?

• Carbohydrates

• Lipids

• Nucleic acid

• Proteins

What do you call to a substance that increases the rate of chemical reaction?

• Catalyst

• Inhibitor

• Product

• Reactant

Which of the following describes any molecules that are produced by a living organism?

• Biomolecule

• Enzyme

• Isomers

• Monomer

What is one word for a short representation of a chemical reaction?

• Chemical Equation

• Formula

• Property

• Symbol

What is the relationship between pressure and volume at constant temperature at fixed amount of gas?

• Directly proportional

• Inversely proportional

• No relationship

• Temperature is unstable.

What do you call the minimum amount of energy required to start a reaction?

• Activation energy

• Energy of reaction

• Entropy of reaction

• Reaction mechanism energy

What do you call a substance that is made up of more than one type of atom bonded together?

• Compound

• Elements

• Product

• Reactant

Which of the following contains the most lipids?

• Banana

• Champorado

• Cheese

• Olive oil

Which of the following affects the rate of the reactions?

• Color

• Pressure

• Surface area

• Temperature