Acids And Bases

Question 0

Bases

Answer 0

• Indigestion tablets
• Soap
• Shampoo
• Bread soda
• Window cleaner
• Toothpaste

Question 1

Acids In the lab

Answer 1

Hydrochloric acid
-Also found in the stomach
Sulphuric acid
-Also found in car batteries

Question 2

Bases in the lab

Answer 2

Sodium hydroxide
-NaOH
Limewater
-Ca(OH)

Question 3

pH

Answer 3

We can tell how acidic or basic a substance is by measuring something called pH

Question 4

Alkali

Answer 4

A base that dissolves in water is called an alkali

Question 5

Neutral

Answer 5

If something is neither an acid nor a base,and has a pH of 7,then it is neutral

Question 6

Neutralisation

Answer 6

If an acid and base are mixed together in the right concentrations, then they neutralise each other
Salt and water are produced

Question 7

Indigestion

Answer 7

Excess stomach acid, take an antacid (anti-acid) which is a base

Question 8

A bee sting

Answer 8

Is acidic and rubbing a base e.g bread soda will neutralise it

Question 9

A wasp sting

Answer 9

Is alkaline and this needs to be treated with an acid e.g vinegar

Question 10

Titration

Answer 10

An experiment to neutralise an acid (hydrochloric acid) with a base (sodium hydroxide)

Question 11

The products of the titration

Answer 11

Are a salt and water

Question 12

Indicator Paper

Answer 12

An Indicator changes colour to tell us if something is an acid or base
E.G litmus is a dye on indicator paper

Question 13

Acids turn blue litmus paper

Answer 13

Red

Question 14

Bases turn red litmus paper

Answer 14

Blue

Question 15

Universal indicator paper

Answer 15

This changes different colours for different pH values,it is compared to the key on the pack

Question 16

Data logging

Answer 16

This is where you use a pH sensor connected to a computer to measure pH

Question 17

Test for hydrogen

Answer 17

Lit splint will “pop”

Question 18

Test for carbon dioxide

Answer 18

Limewater will turn milky