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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
Which method can remove both temporary and permanent hardness from water?
Adding carbon dioxide.
Boiling.
Adding limewater.
Distillation.
Metals which react with water to form alkaline solutions are:
Metals.
Alkaline earth.
Good metals.
Alkali metals.
Alkaline solutions turn:
Litmus paper blue.
Red litmus paper blue.
No effect on litmus paper.
Blue litmus paper red.
When calcium metal reacts with cold water, which is a true statement?
It reacts vigorously, similar to sodium.
It sinks and forms a clear solution.
No reaction occurs.
It reacts slowly, producing hydrogen gas and forming a white precipitate.
Give the formula of an oxide that reacts with both acid and base.
Al
2
O
3
.
Na
2
O.
NO
2
.
SO
3
.
