Question

which statements is not true regarding pure substances

Answer 1

Explanation:

A pure substance is an element or compound that has a constant chemical composition and property.

It cannot be separated into components by physical separation, without breaking down the chemical bonds.

Substances which are commonly found in pure forms include water, table salt, brass, bronze, diamond, gold, and saline solution.

Its free of any sort of contaminants.

It has a constant composition.

It possesses resilient properties throughout the sample.

A pure substance produces chemical reaction to form expected products.

It refers to an element or component that has no component to another compound or element.

They have a specific boiling point and a particular melting point.

The degree of purity of a substance is just the measure of the extent at which pure substances are present in an element.

Example questions.

1- Pure substance contain only one kind of particles

2- Pure substance may be compounds or mixtures

3- Pure substance have the same composition throughout

4- Pure substances can be exemplified by all elements other than nickel

Answer 2

• A pure substance is a element or the compound that has constant chemical composition and property.

• It can't be separated into  the components by the  physical separation, without breaking down chemical bonds.

• Substances that which are common and found in the pure forms include water, table salt, brass, bronze, diamond, gold, and saline solution.

• It is free of any sort of contaminants.

• It has a constant composition.

• It possesses resilient properties throughout the sample.

• A pure substance produces the chemical reaction to form expected products.

• It refers to the element or component that has no component in another compound or element.

• They have the specific boiling point & a particular melting point.

• The degree of purity of a substance is just the measure of the extent to which pure substances that are present in an element.

1- Pure substances contain only one kind of particle.

2- Pure substances will be a compounds or mixtures.

3- Pure substances has same composition throughout.

4- Pure substances are exemplified by all the elements other than nickel.

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