Question : Which of the following pair of compound name – formulas is correct?
I. Calcium oxide – CaO
II. Aluminium oxide – Al2O3
| Calcium oxide | CaO |
| Aluminium oxide | Al2O3 |
Option 1: Only I
Option 2: Both I and II
Option 3: Neither I nor II
Option 4: Only II
Answer (1)
16th Jan, 2024
Correct Answer: Both I and II
Solution : The correct answer is Both I and II.
- Aluminium oxide . Two aluminium atoms and three oxygen atoms make up aluminium oxide. Al 2 O 3 is the chemical formula for aluminium oxide. It exists in nature as corundum and alumina. Not soluble in water.
- Calcium oxide (CaO) is a widely used chemical compound that is also referred to as quicklime or burnt lime.
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