Testing For Positive Ions - Part 1

Testing For Positive Ions - Part 1

Assessment

Interactive Video

Science, Physics, Chemistry, Other

6th Grade - University

Hard

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Quizizz Content

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The video tutorial explains how to conduct a flame test to identify positive ions in ionic compounds. It uses the concept of fireworks to introduce the topic and details the procedure, including cleaning nichrome wire and using hydrochloric acid. The tutorial describes the characteristic flame colors produced by different metal ions, such as sodium, potassium, and copper. It explains the chemistry behind these colors, focusing on electron excitation and light emission. The video concludes by highlighting the flame test's utility in identifying metal ions.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of conducting a flame test?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of preparing the nichrome wire for a flame test.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What colors are produced by sodium and potassium ions during a flame test?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain why concentrated hydrochloric acid is used in a flame test.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How do flame colors relate to the energy levels of electrons?

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