B2 High-Intermediate Other 200 Folder Collection
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Hello everyone today
We'll find out what happens when you combine two active alkali metals, for this
I took a piece of sodium and potassium and began to rub them against each other
within the evaporating dish to provide the alloy from oxidation by being exposed to Air [I've]
Decided to conduct the melting [of] sodium and potassium
under a layer of
Kerosene since potassium is a very soft metal it immediately deforms and wrinkles over.
Overtime, a liquid array of sodium and potassium is formed as a point of contact of the two metals
Which is instantly being covered by Gray oxide [film] this [alloy] remains in liquid state from minus 20 [to] plus
785 degrees Celsius, it's a very dangerous alloy because it's more active than sodium or potassium in the round
I Fill in the syringe with a little bit of alloy alloy has a glassy surface inside the syringe such as mercury. Now
I'm dripping stored in potassium all into the water
As can be seen, [color] instantly ignite in water forming burning droplets.
If you drop this alloy on the wet surface the alloy will also light up, sometimes with an explosion
Its then I pour in the remaining alloy into the water
Sodium potassium alloy is used in Nuclear reactors as coolant as
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Sodium + Potassium = Strange Liquid Metal!

200 Folder Collection
Wongwl published on January 11, 2018
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