Question

Choose the correct option regarding the following statements:

Statement 1: Sodium hydroxide is water soluble.
Statement 2: Copper oxide is an alkali.

• A. Only statement 1 is correct.
• B. Only statement 2 is correct.
• C. Both statements are incorrect.
• D. Both statements are correct.

Answer 1

The correct option is A Only statement 1 is correct.

A water-soluble base is known as an alkali. Sodium hydroxide is a base because it can neutralise the acids reacting with it. It is also an alkali because it gets dissolved in water.

Copper oxide is a base because it has the ability to neutralise acids. However, it is not an alkali because it does not dissolve in water.