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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
5/76 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Alkali metals and alkaline earth metals
What are the main causes of permanent hardness in water?
Dissolved calcium and magnesium chlorides and sulphates.
Suspended impurities.
Dissolved carbon dioxide.
Dissolved calcium and magnesium bicarbonates.
Groups I and II elements form:
Amphoteric oxides.
Normal oxides.
Basic oxides.
Acidic oxides.
A pair of elements that shows diagonal relationship is:
K and Ca.
Li and Mg.
Li and Na.
Na and Mg.
When magnesium ribbon is placed in dilute sulphuric acid, what is produced?
Magnesium sulphate and hydrogen gas.
Magnesium oxide and sulphur dioxide.
No reaction occurs.
Magnesium sulphate and oxygen gas.
When magnesium metal reacts with steam, what are the products?
No reaction occurs.
Magnesium oxide and hydrogen gas.
Magnesium carbonate and oxygen gas.
Magnesium hydroxide and hydrogen gas.
