Chemistry and Matter

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What is matter
Subject
Topic
Level
Highschool
Grade
7
Is evaporation is bulk phenomenon
Subject
Topic
Level
Highschool
Grade
9
Co2 is generally havier then oxygen and nitrogen . Why does it not form lower layer in the atmosphere?
Subject
Topic
Level
Junior High
Grade
9

Principles and applications of dye from ink

Subject
Level
Highschool
Grade
9

Spirit kept open in a watch glass disappears after some time.which among the following phenomena are responsible for this?

Subject
Level
Highschool
Grade
8

How is dog different from smoke ?

Subject
Level
Highschool
Grade
9
Sodium metal is a pure substances and so is sodium chlpride,inspite of the fact that sodium chloride contains two different element.explain.
Subject
Level
Highschool
Grade
9
Subject
Level
Junior High
Grade
9
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