Purity

Question 1

What is a pure substance

Answer 1

A pure substance is a substance that contains one type of element or compound 

Question 2

Pure substance has

Answer 2

• a set boiling or melting point
• only one type of element or compound

Question 3

An impure substance has

Answer 3

• no specific boiling or melting point
• Has more than one type of element or compound

Question 4

What is an alloy

Answer 4

Alloy is a mixture of metals with one or more elements and is in a definite ratio with a certain result with specific properties 

Question 5

What is a mixture

Answer 5

A mixture is 2 or more substances that are not chemically bonded together

Question 6

What is the difference between alloys and mixtures

Answer 6

An alloy is made with a definite ratio of a metal with one or more other elements to produce a substance with definite properties
a mixture is just two or more elements mixed to form a new substance.