Dr Chemistry Teacher

Dr Chemistry Teacher Learn Chemistry very easy! Everything about Chemistry Lesson...

We are here in to help the students from middle school up to university about every items in their science lessons especially in , and .Online Test is available.

Dear Students,Please join us in the following group to find the Chemistry ,Physics and math education materials!
27/04/2020

Dear Students,

Please join us in the following group to find the Chemistry ,Physics and math education materials!

Dear All Students,Please don't hesitate to contact me for of Lessons!Thank you in advance!
15/09/2019

Dear All Students,
Please don't hesitate to contact me for of Lessons!

Thank you in advance!

is a way to separate the substance in a mixture,using a solvent and special paper,the substances separate because they...
16/04/2017

is a way to separate the substance in a mixture,using a solvent and special paper,the substances separate because they travel over the paper at different speed.

: separating a liquid from a mixture by boiling it off,then condensing it.
16/04/2017

: separating a liquid from a mixture by boiling it off,then condensing it.

is the phase transition of a substance directly from the solid to the gas phase without passing through the intermedia...
16/04/2017

is the phase transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

What is ? The Process in which particles mix by colliding randomly with each other ,and bouncing off in all directions.
16/04/2017

What is ? The Process in which particles mix by colliding randomly with each other ,and bouncing off in all directions.

16/04/2017

Explain Motions? The random motion of particles suspended in a liquid or a gas.

Isotope
18/02/2017

Isotope

Dear Students, and and Tests from Middle School to High School. preparation. For more detail information, pl...
31/01/2017

Dear Students,
and and Tests from Middle School to High School. preparation. For more detail information, please contact us: [email protected]

26/01/2017

I take periodic showers😂

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