PASS Chem 3 Review: Question Preview (ID: 9414)


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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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