Acids And Bases definitions

Question 1

Define acids

Answer 1

Substances with a pH between 0 and 7

Question 2

Define bases

Answer 2

Substances with a pH between 7-14

Question 3

Define an alkali

Answer 3

Base that dissolves in water

Question 4

Define corrosive

Answer 4

Substance that dissolves or eats away at metals and other strong materials

Question 5

Define a pH

Answer 5

Number between 0-14 that tells us how acidic or basic a water soluble substance is

Question 6

Define neutral

Answer 6

Substance that is not an acid or a base with a pH of 7

Question 7

Define an indicator

Answer 7

Dye that has different colours in acids and bases

Question 8

Define neutralisation

Answer 8

Chemical reaction in which an acid and a base rat to produce a salt and water

Question 9

Define acid rain

Answer 9

Rain water is more acidic than natural rain water because of gases that are realised into the atmosphere by industries

Question 10

Define metal hydroxide

Answer 10

Compound consisting of a metal and a hydroxide for example Mg(OH)2 can be formed when a metal oxide reacts with water

Question 11

Define a testable question

Answer 11

A question is what you are trying to answer through your investigating

Question 12

Define Metal carbonates

Answer 12

A compound consisting of a metal and a carbonated

Eg CaCO2

Question 13

Define density

Answer 13

An amount in a given volume of a material