Pouring Molten salt into Water - Explosion!

Pouring Molten salt into Water - Explosion!

Assessment

Interactive Video

Science, Chemistry, Engineering, Physics

1st - 6th Grade

Hard

Created by

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The video explores the explosive reaction of molten salt when poured into water. Initially inspired by another video, the presenter attempts the experiment, expecting a small explosion but instead witnesses a powerful one. Using high-speed cameras, the presenter analyzes the reaction, comparing it to other salts and sodium metal. The conclusion is that the reaction is physical, not chemical, as no pH change is observed. The video highlights the mystery of why sodium chloride behaves differently from other salts.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What was the initial expectation of the experiment involving molten salt and water?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of melting table salt as mentioned in the text.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What was the outcome of the first attempt to pour molten salt into water?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What were the other substances tested in the experiment, and what was their outcome?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What was the significance of the Leidenfrost effect in the experiments?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How did the experimenter determine whether the reaction was chemical or physical?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the final conclusion regarding the nature of the reaction when molten salt is poured into water.

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