Question : The chemical formula of Magnesium Oxide is
Option 1: MgO3
Option 2: MgO2
Option 3: MgO
Option 4: Mg(OH)2
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Correct Answer: MgO
Solution : The correct answer is MgO.
The chemical formula of magnesium oxide is MgO, which indicates that a magnesium atom (Mg) is chemically bonded to an oxygen atom (O). In magnesium oxide, magnesium loses two electrons to form a Mg2+ ion, and oxygen gains two electrons to form an O2- ion.
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Question : Identify the chemical formula of Ammonium Hydroxide.
Option 1: NH4OH
Option 2: NH4O2
Option 3: NH3O
Option 4: NH2OH
Question : The chemical formula of bleaching powder is ______.
Option 1: CaOCl2
Option 2: CaO
Option 3: CaCO3
Option 4: Ca(OH)2
Question : The chemical formula of quick lime is__________.
Option 1: CaO
Option 2: CO2
Question : The chemical formula of propene is:
Option 1: C2H4
Option 2: C3H4
Option 3: C2H2
Option 4: C3H6
Question : The chemical formula of washing soda is ______.
Option 1: Na2CO3.10H2O
Option 2: Na2SO4
Option 3: NaOH
Option 4: NaHCO3
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