Chemistry Lab Concepts and Safety Quiz

Identify the piece of lab equipment used to measure the volume of a liquid accurately.

• Beaker

• Test tube

• Graduated cylinder

• Bunsen burner

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DOK Level 2: Skill/Concept

Calculate the density of a substance if its mass is 50 grams and its volume is 25 cm³.

• 1 g/cm³

• 2 g/cm³

• 0.5 g/cm³

• 5 g/cm³

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DOK Level 2: Skill/Concept

Which subatomic particle has a positive charge?

• Electron

• Neutron

• Proton

• Nucleus

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DOK Level 2: Skill/Concept

Who proposed the plum pudding model of the atom?

• John Dalton

• J.J. Thomson

• Ernest Rutherford

• Niels Bohr

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DOK Level 2: Skill/Concept

Which of the following is an application of density in chemistry?

• Determining the boiling point of a liquid

• Identifying a substance

• Measuring the pH of a solution

• Calculating the molar mass of a compound

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DOK Level 2: Skill/Concept

What is the primary purpose of using a fume hood in a chemistry lab?

• To store chemicals

• To protect against chemical splashes

• To ventilate harmful fumes

• To measure the mass of substances

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DOK Level 2: Skill/Concept

Which piece of lab equipment is used to heat substances?

• Pipette

• Bunsen burner

• Volumetric flask

• Mortar and pestle

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DOK Level 2: Skill/Concept

If a metal block has a mass of 200 grams and a volume of 50 cm³, what is its density?

• 2 g/cm³

• 4 g/cm³

• 6 g/cm³

• 8 g/cm³

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DOK Level 2: Skill/Concept

Which part of the atom contains most of its mass?

• Electron cloud

• Nucleus

• Protons only

• Neutrons only

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DOK Level 2: Skill/Concept

Which scientist is known for the gold foil experiment that led to the discovery of the atomic nucleus?

• John Dalton

• J.J. Thomson

• Ernest Rutherford

• Niels Bohr

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DOK Level 2: Skill/Concept