IPC review2

Which type of substance with a definite volume has the highest amount of particle motion?

• solid

• liquid

• gas

• plasma

The table below lists the densities of five metals. According to the Comparing Densities of Metals table above, all of the following metals will float in mercury except —

• copper

• gold

• silver

• palladium

A student is investigating an unknown substance. In order to determine the identity of the substance, the student must determine its density. Given the data collected, what is the density of the unknown substance?

• 0.2 g/cm³

• 40g/cm³

• 5.0 g/cm³

• 1.43g/cm³

A sample liquid is cooled from 150°C to 30°C, causing the liquid to change into a solid. Which of the following has occurred?

• chemical composition has change

• physical changes has occurred

• new compound has formed

• evaporation of a solved has occured

Elements found in which shaded area of this periodic table undergo the fewest chemical reactions?

• Q

• R

• S

• T

In a salt water solution, where salt is dissolved in water, the water is which portion of the solution?

• solvent

• solute

• base

• solid

The table shows data from an investigation designed to find a liquid solution that is both an acid and a strong electrolyte. Based on the data, a solution that is both an acid and a strong electrolyte is

• solution 1

• solution 2

• solution 3

• solution 4

How does the equation below demonstrate the law of conservation of mass?

• The reactants and product contain the same number of elements.

• The reactants and product contain the same number and type of atoms.

• The reactants contain more oxygen than the product.

• The product contains less oxygen than the reactants.

The chemical formula for glucose and fructose molecules is C6H12O6. If the chemical formula for these two molecules is the same, how can they have different chemical and physical properties?

• The molecules have different numbers of atoms.

• The atoms in the molecules are arranged differently.

• Glucose contains more oxygen than fructose.

• The molecules contain different elements.

A student heats two unknown solids. The graph below shows how the temperature of each sample changes during the experiment. The student knows that when the temperature of a sample is not changing, the sample is either melting or boiling. Based on the graph, which conclusion should the student draw about these two unknowns?

• unknown B boiled first

• unknown A has the higher boiling point

• unknown B melted first

• unknown A has the higher melting point