25/26 Honors Chem. CBA- 1 Review

Front

Why does Liam always wear his safety goggles in the lab, even when he's just mixing water and food coloring?

Back

To protect his eyes from harmful chemicals and flying debris

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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

Best method to separate a mixture of sand and salt?

Back

Filtration followed by evaporation

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DOK Level 2: Skill/Concept

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 2: Skill/Concept

Front

Which piece of lab equipment should be used to get the most accurate measurement of a liquid's volume?

Back

Graduated cylinder

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DOK Level 1: Recall

Front

Classify the change that occurs when wood burns.

Back

Chemical change

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DOK Level 1: Recall

Front

Which of the following is a chemical property? Melting point, Density, Flammability, Color

Back

Flammability

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DOK Level 1: Recall

Front

What is the main difference between a compound and a mixture?

Back

Compounds are pure substances; mixtures are not

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DOK Level 2: Skill/Concept

Front

Which separation technique is most effective for separating a mixture of vibrant dyes?

Back

Chromatography

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DOK Level 2: Skill/Concept