Science 6 Chapter 5 Test Set A Question Preview (ID: 34188)


Acids And Bases. TEACHERS: click here for quick copy question ID numbers.

A liquid mixture in which particles can be seen and easily separated by settling or filtration is a
a) solution
b) suspension
c) solvent
d) solute

How is a solute different from a solvent in a solution?
a) The solute is present in a smaller amount.
b) The solute is present in a greater amount.
c) The solute is a solid and the solvent is a liquid.
d) The solute is a liquid and the solvent is a gas.

How can a scientist safely tell whether an unknown solution is salt in water or sugar in water?
a) by tasting the solution
b) by smelling the solution
c) by testing the electrical conductivity of the solution
d) by filtering the solution

When a solid compound dissolves in water,
a) it breaks up into individual crystals
b) it always conducts electricity
c) its particles surround individual water molecules
d) each of its particles becomes surrounded by water molecules

Weak tea is an example of a
a) dilute solution
b) concentrated solution
c) suspension
d) solvent

Which is a characteristic property of acids?
a) They turn blue litmus paper red.
b) They turn red litmus paper blue.
c) They taste bitter.
d) They do not react with metals.

What is one way to increase the solubility of sugar in water?
a) Heat the water.
b) Chill the water.
c) Increase the amount of sugar.
d) Decrease the amount of water.

When you add so much solute that no more dissolves, you have a(n)
a) saturated solution
b) unsaturated solution
c) neutralization
d) suspension

In a water solution, how do acids differ from bases?
a) Acids form hydrogen ions (H+), while bases form hydroxide ions (OH-)
b) Acids turn litmus blue, while bases turn litmus red.
c) Acids form salts, but bases do not.
d) Hydrogen ions (H+) remain dissolved, but hydroxide ions (OH-) do not.

Neutralization is a reaction between a(n)
a) acid and a base
b) acid and a metal
c) base and a salt
d) salt and water

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