Metallic oxides are alkaline in nature, meaning they react with acids to form salts and water. Which of the following is a metallic oxide different from the other?
A. CaO
B. MgO
C. Al2O3
D. Na2O
Answer: Option C
Related Questions on Acid, Base and Salts
Which one of the following is an organic acid?
A. Hydrochloric acid
B. Nitric acid
C. Acetic acid
D. Sulphuric acid
Vinegar used in cooking contains which of the following compounds?
A. Methanol
B. Sodium sulphate
C. Ammonia
D. Acetic acid
Muriatic acid is scientifically known as:
A. Perchloric Acid
B. Hydrochloric Acid
C. Sulphuric Acid
D. Picric Acid

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