Acids
Acid reactions
Salt solubility
Mole concept
Names & Chemical formula
100

An acid would have a pH in this range.

What type of compound has a pH ranging between 1 and 7?

100

It is a substance that would liberate hydrogen gas when it reacts with an acid.

What is a (reactive) metal?

100

Salts with this anion are always soluble in water with no exceptions.

What is nitrate NO3-?

100

This is how you would calculate the number of moles of a substance given its mass and Ar or Mr.

What is mass of a substance (in grams) divided by its Ar or Mr?

100

Na2SO4

What is sodium sulfate?

200

It is a type of acid that only partially dissociates in water.

What is a weak acid?

200

It is a compound that would result in the liberation of a gas that produces a white precipitate in limewater when reacted with an acid.

What is a carbonate?

200

Salts with any of these four cations are always soluble in water, regardless of the anion present.

What are sodium Na+, lithium Li+, ammonium NH4+ and potassium K+?

200

The number of moles in 48 dm3 of gas at room temperature and pressure.

What is 3 mol?

200

(NH4)2CO3

What is ammonium carbonate?

300

They are two examples of monobasic acids.

What are hydrochloric acid HCl and nitric acid HNO3?

300

This is the chemical formula of the salt produced by the reaction between HCl and NH4OH.

What is NH4Cl?
300
When bonded with either of these two anions, metal cations form compounds known as "bases".
What are the oxide O2- and hydroxide OH- anions?
300

This the mass of 2.5 mol of water.

What is 45 g?

300
Sodium nitride

What is Na3N?

400

It is an acid that releases two moles of H+ ions for every one mole of acid, such as sulfuric acid H2SO4

What is a dibasic acid?

400
This is the ionic equation for the reaction between aqueous sodium hydroxide NaOH and nitric acid HNO3.

What is H+ (aq) + OH- (aq) -> H2O (l) ?

400

These are the names and chemical formula of three examples of salts that can be prepared using precipitation reactions.

What are:

silver chloride AgI / lead chloride PbCl2 / barium sulfate BaSO4 / lead sulfate PbSO4 ?



400

This is the Mr of a compound of which 0.5 mol has a mass of 100 g.

What is 200?

400

The name and chemical formula of the precipitate formed when lead nitrate reacts with magnesium chloride.

What is lead chloride PbCl2?

500

This acid and this salt solution can be used to precipitate BaSOwhen added together.

What are sulfuric acid H2SOand barium nitrate BaNO3 / barium chloride BaCl2 solution?

500

These are examples of two salts that can only be produced by the reaction of an acid with a base or the reaction of an acid with a carbonate, but not by the reaction with an acid with a metal.

What are (choose any two):


Copper salts (copper chloride/nitrate/sulfate), 

Silver salts (silver chloride/nitrate/chloride)?

500

Because the salt produced forms an insoluble layer on the solid reactant, lead, that prevents further reaction between the lead and the other reactant, hydrochloric acid.

What can't lead chloride PbCl2 be prepared by reacting lead and hydrochloric acid?

500

This is the number of moles of KCl in 200 cm3 of 0.1mol/dm3 KCl solution.

What is 0.02 mol?

500

The name and formula of the green precipitate formed when aqueous sodium hydroxide is added to a solution of iron (II) chloride.

What is iron (II) hydroxide, Fe(OH)2?