Honors Chemistry Semester 1 Practice
Test 2025 Questions and Answers
What symbol indicates that an experiment should be conducted in a fume hood? -
ANSWER-The fume hood symbol.
What should a student do when smelling a chemical in the laboratory? -
ANSWER-Waft the odor towards themselves.
Which of the following cannot be broken down into a simpler form? - ANSWER-
Element.
What is a substance that can only be separated into different substances as a result
of a chemical reaction? - ANSWER-Compound.
How is silver classified in terms of its properties? - ANSWER-Malleable (Physical-
Intensive).
What happens to cesium when placed in water? - ANSWER-It blows out the sides
of its container (Chemical Change).
What happens when salt is dissolved in water? - ANSWER-It forms a solution
(Physical Change).
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, What is strontium fluoride classified as? - ANSWER-Compound.
How is soil classified? - ANSWER-Heterogeneous Mixture.
What is brass classified as? - ANSWER-Solution (alloy).
What type of change is melting a gold bar? - ANSWER-Physical Change.
What type of change is baking a cake? - ANSWER-Chemical Change.
Which figure contains 5 significant figures? - ANSWER-1.00050.
If the true mass of an object is 8.85 g and the measured mass is 8.84 g, how is the
measurement described? - ANSWER-Precise.
What is the kinetic energy of particles at absolute zero? - ANSWER-Zero.
How many 500 g chocolate bars are in 50.0 kg of candy bars? - ANSWER-100
What is the temperature of 315 K in degrees Celsius? - ANSWER-42
How many kilograms are in 5 mg? - ANSWER-5 x 10^-6 kg.
How many cubic meters are in 9 cm³? - ANSWER-0.000009 m³.
How many electrons does phosphorus have? - ANSWER-15
How many neutrons does phosphorus have? - ANSWER-16
How many protons does phosphorus have? - ANSWER-15
What does the mass number equal if there are 60 protons and 80 neutrons? -
ANSWER-140
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
Test 2025 Questions and Answers
What symbol indicates that an experiment should be conducted in a fume hood? -
ANSWER-The fume hood symbol.
What should a student do when smelling a chemical in the laboratory? -
ANSWER-Waft the odor towards themselves.
Which of the following cannot be broken down into a simpler form? - ANSWER-
Element.
What is a substance that can only be separated into different substances as a result
of a chemical reaction? - ANSWER-Compound.
How is silver classified in terms of its properties? - ANSWER-Malleable (Physical-
Intensive).
What happens to cesium when placed in water? - ANSWER-It blows out the sides
of its container (Chemical Change).
What happens when salt is dissolved in water? - ANSWER-It forms a solution
(Physical Change).
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, What is strontium fluoride classified as? - ANSWER-Compound.
How is soil classified? - ANSWER-Heterogeneous Mixture.
What is brass classified as? - ANSWER-Solution (alloy).
What type of change is melting a gold bar? - ANSWER-Physical Change.
What type of change is baking a cake? - ANSWER-Chemical Change.
Which figure contains 5 significant figures? - ANSWER-1.00050.
If the true mass of an object is 8.85 g and the measured mass is 8.84 g, how is the
measurement described? - ANSWER-Precise.
What is the kinetic energy of particles at absolute zero? - ANSWER-Zero.
How many 500 g chocolate bars are in 50.0 kg of candy bars? - ANSWER-100
What is the temperature of 315 K in degrees Celsius? - ANSWER-42
How many kilograms are in 5 mg? - ANSWER-5 x 10^-6 kg.
How many cubic meters are in 9 cm³? - ANSWER-0.000009 m³.
How many electrons does phosphorus have? - ANSWER-15
How many neutrons does phosphorus have? - ANSWER-16
How many protons does phosphorus have? - ANSWER-15
What does the mass number equal if there are 60 protons and 80 neutrons? -
ANSWER-140
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
