Honors Chemistry Unit 1 Practice Test Questions And
Answers Rated A+
Physical properties ANS Characteristics that can be observed or measured Example: The car is red. or the water
is liquid water will boil at 365
Chemical properties ANS Characteristics only observed during chemical reaction (a statement) example iron the
rest paper burn
Physical change ANS Change in appearance example ripping paper for dissolving salt
Chemical change ANS Change in molecular structure (-ING) words example burning candle baking a cake milk
souring
Signs of a chemical change ANS 1.gas is formed
2.solid is formed
3. Color change
4. Energy is exchanged
Which phase of matter has the highest energy and is not very abundant on the earth ANS Plasma equals Ionized
gas where electrons are jumping it is found on earth as stars and lightning
What two categories does matter break into ANS Pure substances and mixtures
What two categories do pure substances break into ANS Elements and compounds
How do you find elements ANS They are on the periodic table
How do you find compounds ANS They have a formula with two or more different elements that are bonded
example water salt and sugar
What are two categories of mixtures ANS Homogeneous mixtures and heterogeneous mixture
Answers Rated A+
Physical properties ANS Characteristics that can be observed or measured Example: The car is red. or the water
is liquid water will boil at 365
Chemical properties ANS Characteristics only observed during chemical reaction (a statement) example iron the
rest paper burn
Physical change ANS Change in appearance example ripping paper for dissolving salt
Chemical change ANS Change in molecular structure (-ING) words example burning candle baking a cake milk
souring
Signs of a chemical change ANS 1.gas is formed
2.solid is formed
3. Color change
4. Energy is exchanged
Which phase of matter has the highest energy and is not very abundant on the earth ANS Plasma equals Ionized
gas where electrons are jumping it is found on earth as stars and lightning
What two categories does matter break into ANS Pure substances and mixtures
What two categories do pure substances break into ANS Elements and compounds
How do you find elements ANS They are on the periodic table
How do you find compounds ANS They have a formula with two or more different elements that are bonded
example water salt and sugar
What are two categories of mixtures ANS Homogeneous mixtures and heterogeneous mixture
