What is a water-soluble base called?
Answer and explanation
Correct answer: Alkali
An alkali is specifically a base that dissolves in water and produces hydroxide ions in the resulting solution. Sodium hydroxide and potassium hydroxide are common examples. Therefore option B is correct. Every alkali is a base, but every base is not an alkali because some bases, such as copper(II) oxide, do not dissolve appreciably in water. An acid, salt, or indicator has a different chemical role.
Frequently asked questions
What is the correct answer to this question?
Alkali
Why is this the correct answer?
An alkali is specifically a base that dissolves in water and produces hydroxide ions in the resulting solution. Sodium hydroxide and potassium hydroxide are common examples. Therefore option B is correct. Every alkali is a base, but every base is not an alkali because some bases, such as copper(II) oxide, do not dissolve appreciably in water. An acid, salt, or indicator has a different chemical role.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
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