A1: acids and solutions

Question 1

Acid + metal

Answer 1

salt + H2

Question 2

Acid + metal oxide

Answer 2

salt + water

Question 3

Acid + metal hydroxide

Answer 3

salt + water

Question 4

Acid + metal carbonate

Answer 4

Salt + water + CO2

Question 5

moles =

Answer 5

c x v
Moldm^-3 and dm^3

Question 6

How to prepare a standard solution

Answer 6

1) Weigh solid on a balance and dissolve in a beaker of distilled water
2) transfer to volumetric flask and rinse traces left
3) Add distilled water until the bottom of the meniscus is on the mark
4) Invert to mix

Question 7

Define strong acid

Answer 7

An acid that dissociates completely in solution

Question 8

Define weak acid

Answer 8

An acid that dissociates partially in solution

Question 9

Define alkali

Answer 9

A type of base which dissolves in water to form aqueous OH- ions

Question 10

Define base

Answer 10

A compound that neutralises an acid to form a salt

Question 11

Define salt

Answer 11

Product of a reaction in which the H+ ions in an acid are replaced by a metal or Ammonium ion

Question 12

Define neutralisation

Answer 12

Reaction when an acid and a base react together to form a salt

Question 13

Hydrochloric acid formula

Answer 13

HCl

Question 14

Sulfuric acid formula

Answer 14

H2SO4

Question 15

Nitric acid formula

Answer 15

HNO3

Question 16

Ethanoic acid formula

Answer 16

CH3COOH

Question 17

Sodium hydroxide formula

Answer 17

NaOH

Question 18

Potassium hydroxide formula

Answer 18

KOH

Question 19

Ammonia formula

Answer 19

NH3