Recrystallization of Potassium Nitrate Quiz

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Questions and Answers

What is the recommended density for molding the homemade explosive?

1.3 grams (correct)

1.0 grams

1.8 grams

1.5 grams

Why is it advised to avoid friction, sulfur, sulfides, and phosphorous compounds when making the explosive?

To increase the explosive power of the final product

To enhance the water resistance of the explosive

To prevent accidental detonation during the mixing process (correct)

To speed up the evaporation process of the gasoline

What is the purpose of dipping the molded explosive in wax?

To accelerate the evaporation process

To increase the explosive power

To make it water proof (correct)

To enhance the density of the explosive

Why should homemade explosives never be stored?

They are prone to accidental detonation Signup and view all the answers

What type of blasting cap should be used with the homemade explosive?

Grade 3 Signup and view all the answers

What happens if you pull the handle too hard on older Master combination locks according to the text?

The knob will not turn Signup and view all the answers

What is the name of the process used to purify the crystals obtained from the bleach?

Fractional crystallization Signup and view all the answers

How many grams of potassium chloride are required to be added to one gallon of bleach during the extraction process?

63 grams Signup and view all the answers

At what specific reading should the solution being heated reach according to the process described?

1.3 Signup and view all the answers

After filtering out the crystals formed from the first cooling process, what should be done next?

Boil the solution again Signup and view all the answers

What consistency should the crystals be powdered to after all moisture has been removed?

Consistency of face powder Signup and view all the answers

What is melted with Vaseline in the final step of the extraction process?

Wax Signup and view all the answers

What is the final step in the process described for making potassium nitrate?

Spreading out the crystals Signup and view all the answers

How is the potassium nitrate purified after the appearance of small white crystals?

Heating concentrated solution to dryness Signup and view all the answers

What happens when the mixture of liquid and alcohol is poured through paper after « hour?

Small white crystals appear Signup and view all the answers

What is the first step in the process of making potassium nitrate described in the text?

Boiling down the liquid to its original volume Signup and view all the answers

What should be done after redissolving the crystals in a small amount of boiling water during purification?

Remove any crystals that appear Signup and view all the answers

What is the role of the improvised filter during the process of making potassium nitrate?

To separate small white crystals Signup and view all the answers

Study Notes

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Description

Test your knowledge on the process of recrystallizing potassium nitrate from a liquid solution. Questions may cover boiling down the liquid, adding alcohol, filtering the solution, and purifying the crystals.