Chemistry Stage 1 Review

Chemistry is related with art and literature.

Simple distillation is used when there are liquids with different boiling points, the lowest point is collected after

Presented a structure of the atom as a planetary system where negative charged particles evolve around the nucleus.

How is matter mainly classified?

Decantation is a heterogenous method to separate mixtures.

Method that separates components of mixture based on its ability to travel across the surface of a material.

Discipline that appeared during 400 B.C that claimed to transform metals into gold by a process called “transmutation”

What is described in a chemical property?

The Egyptians studied chemistry by making ceramics, ink and gun powder.

John Dalton proposed the first structure of the atom.

In what can pure substances be divided in?

Select the one that can be classified as an element.

What are properties?

Science that studies the composition, structure, properties, and changes of matter.

A compound is composed of two or more elements combined in the same proportion.

Which of the following options is a physical property.

Method where a solid that is dissolved into a solution is separated.

Who came up with the theory of the four elements?

It is a mixture with uniform composition

Proposed the law of conservation of matter, which states that matter is neither crated nor destroyed, only transformed.

Separates an insoluble solid with help of a machine that rotates the container at a high speed to separate the mixture.

Properties are only physical