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Write balanced equations, showing all reactants and products, to represent
a. roasting of limestone (CaCO3) to give lime.
b. tetraphosphorus decaoxide (P4O10) reacting with water to produce phosphoric acid.
Vacuums
Devices that use suction to remove dirt and dust, typically from floors and other surfaces.
Towel
A piece of absorbent fabric or paper used for drying or wiping a surface, body, or hands.
Nobody's
Belonging to no one; not owned or claimed by anyone.
It's
The contraction for "it is" or "it has," used to signify possession or the present tense of "to be."
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