25/26- General Chemstry CBA-1 Review

Front

What's the first thing Zoe should do if she spills a chemical on her skin during a lab experiment?

Back

Rinse the affected area with water immediately

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DOK Level 1: Recall

Front

Which of the following is a homogeneous mixture? Options: Sand and water, Oil and water, Salt dissolved in water, Iron filings and sulfur.

Back

Salt dissolved in water

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DOK Level 1: Recall

Front

State of matter with definite volume but no definite shape.

Back

Liquid

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DOK Level 1: Recall

Front

Which of the following is a chemical change? Melting of ice, Dissolving sugar in water, Rusting of iron, Breaking a glass

Back

Rusting of iron

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DOK Level 1: Recall

Front

How many significant figures are in the measurement 0.004560?

Back

4

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DOK Level 1: Recall

Front

Calculate the density of an object with a mass of 50 grams and a volume of 10 cm³.

Back

5 g/cm³

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DOK Level 1: Recall

Front

Identify the physical property: Flammability, Reactivity with acid, Boiling point, Ability to rust.

Back

Boiling point

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DOK Level 1: Recall

Front

Emma and Harper need to measure the volume of a mysterious potion accurately. Which piece of lab equipment should they use?

Back

Graduated cylinder

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DOK Level 1: Recall

Front

Which separation method should be used to separate a mixture of sand and salt?

Back

Filtration

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DOK Level 2: Skill/Concept

Front

Why is a gas like a squishy marshmallow and a liquid is not?

Back

Gas particles are farther apart and can be compressed.

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DOK Level 2: Skill/Concept