PASS Chem 3 Review Question Preview (ID: 9414)


Acids Bases And More Chemistry Topics SC Standards 7th Grade. TEACHERS: click here for quick copy question ID numbers.

Substances that can be used to determine whether a substance is an acid or base
a) atoms
b) elements
c) compounds
d) indicators

Paper that has a special dye that shows a RANGE of colors (blues, greens, pinks, oranges) in the presence of an acid or base
a) litmus paper
b) phelphthalien
c) pH paper
d) water

Blue litmus paper turns ____ in an acid
a) blue
b) red
c) pink
d) yellow

Phenolphthalein turns pink in the presence of a(n) ____.
a) acid
b) base
c) neutral
d) mixture

This says that matter is neither created nor destroyed, but can change form.
a) cell theory
b) law of gravity
c) law of conservation of matter
d) chemical equations

The arrow in a chemical reaction means ____.
a) equals
b) yields or makes
c) is eaten by
d) increases

Substances that are mixed and are on the left side of the arrow of a chemical equation are called ___.
a) reactants
b) products
c) acids
d) mixtures

Properties that can be observed and measured without changing the kind of matter being studied are:
a) chemical properties
b) physical properties
c) chemical changes
d) physical changes

Which of the following are examples of physical properties?
a) burning, rusting
b) paper tearing
c) color, melting point, boiling point, density
d) giving off a gas (bubbles)

Which of the following are examples of chemical properties?
a) burning, rusting
b) paper tearing
c) color, melting point, boiling point, density
d) giving off a gas (bubbles)

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