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CHEMISTRY IN SOCIETY: Fertilizers
ENVIRONMENTAL EDUCATION: Chemistry In Society - Extraction Of Metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Alkali metals and alkaline earth metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Identification Of Ions
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Salts
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Transition metals
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Formulae, Moles And Equations
MATTER: PROPERTIES AND TRANSFORMATION: Rates Of Reaction
MATTER: PROPERTIES AND TRANSFORMATION: Reversible Reactions
PRINCIPLES OF CHEMISTRY: Electrochemistry
PRINCIPLES OF CHEMISTRY: Gaseous State

What happens when hydrated copper(II) sulfate crystals (CuSO₄⋅5H₃O) are heated?

They melt.

They lose their water of crystallization and turn white.

They explode.

They turn black and release oxygen.

Ammonium iron(II) sulphate hexahydrate, (NH4)₂Fe(SO₄)₂.6H₂O is an example of:

Double salt.

Complex salt.

Acid salt.

Normal salt.

To prepare zinc chloride, which of the following reactions would be suitable?

Zinc metal + chlorine gas.

Zinc oxide + sodium chloride.

Zinc sulfate + sodium chloride.

Zinc carbonate + hydrochloric acid.

Which method can be used to prepare copper(II) chloride?

Reacting copper(II) oxide with hydrochloric acid.

Heating copper(II) carbonate.

Precipitating from copper(II) sulfate and sodium chloride solutions.

Reacting copper metal with hydrochloric acid.

A solubility curve is defined as a graph of solubility against:

Speed.

Temperature.

Weight.

Time.