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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
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.
Anhydrous copper(II) sulfate turning blue in the presence of water is an example of:
Efflorescence.
Desiccation.
Deliquescence.
Hygroscopy.
What is the product of the reaction between dilute sulfuric acid and zinc oxide?
Zinc and sulfur dioxide.
Zinc hydroxide and hydrogen.
Zinc sulfate and water.
Zinc carbonate and water.
Which term describes a substance that absorbs moisture from the air but does not dissolve in it to form a solution?
Efflorescent.
Anhydrous.
Hygroscopic.
Deliquescent.
When an ammonium salt, such as ammonium chloride, is heated, what generally happens?
It melts into a liquid.
It turns into a metal oxide and nitrogen gas.
It turns white and loses water.
It decomposes into ammonia gas and hydrogen chloride gas.
