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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
Which method of water softening involves passing water through a column containing special resins that exchange ions?
Boiling.
Ion exchange.
Precipitation (Clark's method).
Distillation.
What are the main causes of temporary hardness in water?
Dissolved calcium and magnesium sulphates.
Dissolved sodium chloride.
Dissolved calcium and magnesium bicarbonates.
Dissolved iron compounds.
The stability of Group 2 metal hydroxides to heat:
Remains constant down the group.
Increases down the group.
Is independent of the metal.
Decreases down the group.
The flame colour of Na+ ion is:
Golden yellow.
Crimson.
Brick red.
Lilac.
Metals which react with water to form alkaline solutions are:
Good metals.
Alkaline earth.
Metals.
Alkali metals.
