Acids, alkalis and bases

Question 1

What is the pH scale used for?

Answer 1

To tell his acidic or alkaline a solution is

Question 2

What is a base?

Answer 2

A substance that will neutralise an acid.

Question 3

Name bases.

Answer 3

Metal oxides, metal hydroxides , metal carbonates and ammonium.

Question 4

How can an alkali be formed?

Answer 4

When a metal oxide is dissolved in water

Question 5

What are soluble bases?

Answer 5

soluble bases are alkalines

Question 6

What is an alkali?

Answer 6

Any substance that produces OH- ions when in water or any base that dissolves in water is called an alkali