WorksheetsAcids and Bases, Volumetric Analysis Acids and Bases
Total questions: 21
Worksheet time: 11mins
Another name for vinegar is
Citric acid
Methanoic acid
Acetic acid
Carboxylic acid
According to Arrhenius an acid is
A substance the donates protons
A substance that accepts protons
A substances that dissociates in water to produce OH- ions
A substance that dissociates in water to produce H+ ions
A substance that slightly dissociates in water to produce H+ ions is a
Weak base
Weak acid
Strong acid
Strong base
HCl/ Hydrochloric acid is an exam of a
Strong acid
Strong base
Weak acid
Weak base
NaOH/ Sodium hydroxide is an example of a
Weak acid
Weak base
Strong acid
Strong base
NaOH dissociates in water to produce
OH- ions
H+ ions
Bronsted Lowrys defintions are below, pick the correct ones
An acid dissociates in water to produce H+ ions
An acid is a proton donor
An acid is a proton acceptor
A base is a proton acceptor
CH3COOH + H20 --> CH3COO- + H30+
H30+ is the conjugate base
H30+ is the conjugate acid
H30+ is the acid
H30+ is the base
CH3COOH + H20 --> CH3COO- + H30+
CH3COOH is the base
CH3COOH is the acid
CH3COOH is the conjugate base
CH3COOH is the conjugate acid
CH3COOH + H20 --> CH3COO- + H30+
The acid always has an extra H+
The acid always has less H+
The base has an extra H+
HNO3 + H2F2 --> H2NO3+ + HF2-
H2F2 is the base
H2F2 is the acid
H2F2 is the conjugate acid
H2F2 is the conjugate base
Acid + base --> salt + water
Titration
Neutralisation
A salt
Reaction
2 everyday examples of neutralisation are
Using a fire extinguisher to put out a fire
Shampoo and conditioner
Vinegar on a wasp sting
Peeing on a jellyfish sting
A solution is
A solute
A solvent
A solute and solvent
A mixture
A 100ml alcoholic drink has 23ml of ethanol in it. What is its %v/v
23%
100%
10%
77%
A 100g solution contains 30g of salt. What is its %w/w?
100%
30%
70%
Its heavy
To go from moles to mass
Multiply by the weight
Multiply by the relative molecular mass
Multiply by the relative atomic mass
Multiply by the moles
A solutions whose concentration is accurately known is
A standard solution
A solution
A primary standard
Which of the following instruments would you use to measure something accurately
A primary standard must be
Stable
Unstable
Compound
Pure
Which indicator do you use for the vinegar titration?
Methyl orange
Litmus
Universal indicator
Phenolphthalein
