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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: Chemistry of Elements - Nitrogen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Sulphur
MATTER - PROPERTIES AND TRANSFORMATION: Organic Chemistry - Hydrocarbons
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Formulae, Moles And Equations
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Gaseous State
MATTER: PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Solutions and acid-base titration
PRINCIPLES OF CHEMISTRY: Electrochemistry
5/76 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Alkali metals and alkaline earth metals
A pair of elements that shows diagonal relationship is:
Li and Na.
Li and Mg.
K and Ca.
Na and Mg.
When magnesium metal reacts with steam, what are the products?
No reaction occurs.
Magnesium oxide and hydrogen gas.
Magnesium hydroxide and hydrogen gas.
Magnesium carbonate and oxygen gas.
The reaction of potassium with oxygen primarily forms:
Potassium peroxide (K₂O₂).
Potassium hydroxide (KOH).
Potassium oxide (K₂O).
Potassium superoxide (KO₂).
Which of the following is an alkaline earth metal?
Magnesium.
Sodium.
Lithium.
Potassium.
When calcium chloride (CaCl₂) is present in water, it causes:
Alkaline water.
Temporary hardness.
No hardness.
Permanent hardness.
