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Write the molecular formulae of Iron (II) sulphide :
Concept: undefined >> undefined
Write the molecular formulae of Iron (III) sulphide:
Concept: undefined >> undefined
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Write the molecular formulae of Nitric acide :
Concept: undefined >> undefined
Write the molecular formulae of Calcium phosphate :
Concept: undefined >> undefined
What are metalloids?
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Give two uses of Silicon
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Write the molecular formulae of Aluminium sulphate :
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Give two uses of Antimony
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Give two uses of Tungsten
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Give two uses of Germanium
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The valency of sodium is one, write the molecular formula for sodium oxide ?
Concept: undefined >> undefined
The valency of sodium is one, write the molecular formula for sodium sulphate ?
Concept: undefined >> undefined
The valency of sodium is one, write the molecular formula for sodium carbonate ?
Concept: undefined >> undefined
Fill in the blank
_________ is the hardest compound known to us
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The valency of sodium is one, write the molecular formula for sodium hydroxide ?
Concept: undefined >> undefined
The valency of sodium is one, write the molecular formula for sodium nitratev ?
Concept: undefined >> undefined
Write ‘true’ or ‘false’ for the following statement.
Antimony is a metal.
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Write ‘true’ or ‘false’ for the following statement.
Sand is an oxide of silicon.
Concept: undefined >> undefined
A metalloid used to make glass :
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A metalloid used in the manufacture of microchips used in computer is :
Concept: undefined >> undefined
