Chemical changes

A substance has a PH of 10. What is the solution

a strong alkaline

Which pH values are acidic ?

any pH less than 7 are acidic

what are the minimum and maximum values on the pH scale?

0(strong acid) 14(strong alkaline)

Which pH values are alkaline?

8-14 are alkaline

3 household items that could be acidic

look at your mutiple choices

3 household items could be Alkaline

look at multiple choices

How can u measure pH electronically

Place a pH probe into the 'solution’ and connect it to a pH meter. The pH meter will tell you the pH

How can u measure pH chemically?

Use a chemical indicator

What is a chemical indicator?

An indicator is a dye that changes colour based on the pH solution

What is a neutralisation reaction?

A neutralisation reaction is a reaction between and acid and base.

In which H+ ions from the acid react with OH- ions from the base

What ions does an acid create in water

H+

What is a base?

A substance that can neutralise an acid

what is an Alkali?

A base that dissolves in water to form a solution with a pH greater than 7

What colour is litmus paper in alkali?

The litmus paper turns blue.

what ions does an alkali form in water

OH-

What colour is litmus paper in an acid

The litmus paper is red in an acid.