Science 10 - 4th Quarter Review

Which of the following statements is not true about gases?

• Gases are easily comprehensible

• Gases take the shape of the container

• Gases are denser than liquids and solids.

• Gases have negligible intermolecular forces of attraction.

The following are assumptions of the kinetic molecular theory, except __________.

• The size of gaseous particles is negligible compared to the average distance between them.

• Gas particles collide with one another and with the walls of their container in an elastic manner.

• The motion of gas particles is characterized by random, spiraling movements along an arbitrary axis.

• There is a negligible amount of intermolecular force of attraction existing between the particles of a gas.

Which gas law explains how the dent in a ping-pong ball cam be fixed by submerging it in hot water?

• Avogradro's law

• Boyle's Law

• Charles' Law

• Dalton's Law

Which mathematical relationship represents Boyle’s law?

• P₁T₁ = P₂T₂

• P­₁V₁/T₁ = P₂V₂/T₂

• PV = nRT

• P₁/P₂ = V₂/V₁

Which of the following groups are polysaccharides?

• Glucose, Sucrose, Fructose

• Galactose, fructose, lactose

• Maltose, Lactose, Sucrose

• Starch, Cellulose, Glycogen

A type of carbohydrates which is considered as “complex sugar” made up of two molecules of sugar joined together.

• Monosaccharides

• Disaccharides

• Polysaccharides

• Oligosaccharides

Carbohydrates are composed of carbon, hydrogen, and oxygen in a ratio of _______.

• 1:1:1

• 1:2:1

• 2:1:1

• 2:2:2

This is the process where atoms or groups of atoms are redistributed resulting in a change in the molecular composition of substances.

• Chemical Reaction

• Nuclear Fission

• Chemical Equation

• Nuclear Fusion

In balancing chemical equation, we must ensure that the total mass of reactants is equal to the total mass of product whereas it obeys which of the following principle?

• Law of Conservation of Energy

• Law of Conservation of Charge

• Law of Conservation of Mass

• Law of Conservation of Momentum

Which of the following is essential in muscle building?

• Carbohydrates

• Lipids

• Nucleic acids

• Proteins