WorksheetsWord Warriors - Quiz #10
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
an elementary particle present in atoms that orbits the nucleus in numbers equal to the atomic number of the element with a negative charge.
a)
electron
b)
element
c)
compound
d)
mixture
2.
A scale that measures how acidic or basic a substance is. The pH scale ranges from 0 to 14.
a)
fish scale
b)
key scale
c)
pH scale
d)
element scale
3.
A property of an ionic compounds (a compound with a positive or negative charge) that break apart in water to form a hydrogen ion. They measure less than 7 on the pH scale.
a)
base
b)
rain
c)
neutral
d)
acid
4.
A property of ionic compounds that break apart to form a negatively charged hydroxide ion
(OH-) in water. They have a pH reading higher than 7.
(OH-) in water. They have a pH reading higher than 7.
a)
basic
b)
acid
c)
neutral
d)
mixture
5.
Of or relating to a solution or compound that is neither acidic nor basic (alkaline).
a)
acid
b)
neutral
c)
base
d)
compound
6.
A composition of two or more substances that are not chemically combined with each other and are capable of being separated.
a)
mixture
b)
compound
c)
alkalinity
d)
electron
7.
A substance consisting of atoms of two or more different elements in definite proportions joined by chemical bonds into a molecule. The elements cannot be separated by physical means.
a)
base
b)
alkalinity
c)
mixture
d)
compound
8.
Any form of precipitation, including rain, snow, hail, fog, or dew, that is high in acid pollutants, especially sulfuric and nitric acid.
a)
neutral precipitation
b)
pH scale
c)
saturated precipitation
d)
acidic precipitation
9.
the amount of alkali or base in a solution, often expressed in terms of pH.
a)
neutral
b)
electron
c)
alkalinity
d)
acid rain
10.
any process involving a substance's change from one state (gas, liquid, solid) to another without alteration of the chemical composition.
a)
physical change
b)
chemical change
c)
old-age change
d)
mechanical change
100 %
