Chemistry Final S1

Chemistry Final S1

Assessment

Flashcard

Science

9th - 12th Grade

Hard

Created by

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15 questions

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1.

FLASHCARD QUESTION

Front

What are reactants in a chemical reaction?

Back

Reactants are the starting substances in a chemical reaction that undergo change to form products.

2.

FLASHCARD QUESTION

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the composition is uniform throughout, such as a solution of solids in a solvent.

3.

FLASHCARD QUESTION

Front

What does the Heisenberg uncertainty principle state?

Back

The Heisenberg uncertainty principle states that it is impossible to simultaneously know both the exact position and exact momentum of a particle.

4.

FLASHCARD QUESTION

Front

What does a high frequency (e.g., 2.88 × 10^21 Hz) indicate about electromagnetic radiation?

Back

A high frequency indicates that the electromagnetic radiation is high-energy, such as gamma rays.

5.

FLASHCARD QUESTION

Front

What is the primary function of chlorophyll in plants?

Back

The primary function of chlorophyll in plants is to absorb light energy for photosynthesis.

6.

FLASHCARD QUESTION

Front

What are products in a chemical reaction?

Back

Products are the substances that are formed as a result of a chemical reaction.

7.

FLASHCARD QUESTION

Front

Define a colloidal suspension.

Back

A colloidal suspension is a heterogeneous mixture where solid particles are dispersed in a liquid but do not settle out.

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