Question

Chemistry HW. 1) write the chemical formula for the following a) Magnesium chloride b) Calcium oxide c) Aluminum oxide 2) what is chemical equation? 3) write the formula of any ten compounds.​

Answer 1

a) MgCl2

b) CaO

c) Al2O3

2)A chemical equation is the symvolic representation of a chemical reactionary in the form of symbol and formulae, wherein the reactants entities are given on the left hand side and the product entities on the right hand side.

3) ammonia sulfate- NH4

carbonic acid- H2CO3

sodium bicarbonate- NaHCO3

sodium hydroxide- NaOH

nitric acid- HNO3

ethanol- C2H5OH

methane- CH4

sodium nitrate- NaNO3

aluminium oxide- Al2O3

citric acid- C6H8O7

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