A water-soluble base is known by which name?
Answer and explanation
Correct answer: Alkali
The governing definition is that an alkali is a base that dissolves in water and produces hydroxide ions in the solution. For example, sodium hydroxide dissolves readily in water. Therefore the correct answer is option B. An acid donates hydrogen ions, a salt is an ionic product of an acid-base reaction, and an indicator changes colour; none of these terms specifically means a water-soluble base.
Frequently asked questions
What is the correct answer to this question?
Alkali
Why is this the correct answer?
The governing definition is that an alkali is a base that dissolves in water and produces hydroxide ions in the solution. For example, sodium hydroxide dissolves readily in water. Therefore the correct answer is option B. An acid donates hydrogen ions, a salt is an ionic product of an acid-base reaction, and an indicator changes colour; none of these terms specifically means a water-soluble base.
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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