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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
5/72 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Salts
The decomposition of copper(II) nitrate on heating produces:
Copper metal and nitrogen dioxide.
Copper(II) oxide, nitrogen, and oxygen.
Copper(I) oxide and nitrogen dioxide.
Copper(II) oxide, nitrogen dioxide, and oxygen.
Which of the following methods would NOT be suitable for preparing potassium chloride?
Precipitation from potassium sulfate and calcium chloride solutions.
Reaction of potassium carbonate with hydrochloric acid.
Reaction of potassium oxide with hydrochloric acid.
Reaction of potassium with hydrochloric acid.
An example of a normal salt is:
CaSO
4
.
Zn(OH)Cl.
NaHSO
4
.
K
4
Fe(CN)
6
.
Which of the following statements is true about solubility curves?
They show how the density of a solution changes with temperature.
They show the effect of pressure on solubility.
They indicate the boiling point of a saturated solution.
They can be used to predict the amount of solute that will crystallize out upon cooling a saturated solution.
If a solution contains 40g of a salt in 100g of water at 20 °C and its solubility at 20 °C is 30g per 100g of water, the solution is:
Unsaturated.
Saturated.
Dilute.
Supersaturated.
