Which of the following does NOT contain aluminium as component?
- Over-head cables
- Duralumin
-
Container for caustic soda
- Container for nitric acid
The correct answer is: C
Explanation
Sodium Hydroxide reacts with metals, such as Aluminium, Lead, Tin and Zinc, to form flammable and explosive Hydrogen gas. Hence, Aluminium cannot be used as a component for storing caustic soda.