Please select a subject first
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The valency of sodium is one, write the molecular formula for sodium nitratev ?
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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.
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A metalloid used to make glass :
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A metalloid used in the manufacture of microchips used in computer is :
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Fill in the blank
_______ is a triatomic molecule.
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Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
Saline glucose is a solution of glucose and _______
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State the term.
The number of atoms present in a molecule of an element _________
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State the term
The symbolic representation of a molecule ______
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State the term
A group of atoms that react as a single unit ______.
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State the term
The combining capacity of an element _______
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The most abundant element in the earth’s crust.
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A chemical called oxygenated water.
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Two substances from which oxygen can be obtained at a large scale.
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An oxide and a carbonate containing oxygen.
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Two substances which undergo rapid oxidation.
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