Why is it dangerous to touch sodium hydroxide with bare hands?
Answer and explanation
Correct answer: It is a corrosive base and can burn skin
Sodium hydroxide, NaOH, is a strong alkali. In concentrated form or even at significant laboratory exposure, it is highly corrosive and can damage living tissue, causing severe irritation or chemical burns. Therefore option A correctly explains the safety risk. It does not freeze skin, is not a neutral salt, and its effect is not limited to colour change. Gloves, eye protection, and proper handling are essential.
Frequently asked questions
What is the correct answer to this question?
It is a corrosive base and can burn skin
Why is this the correct answer?
Sodium hydroxide, NaOH, is a strong alkali. In concentrated form or even at significant laboratory exposure, it is highly corrosive and can damage living tissue, causing severe irritation or chemical burns. Therefore option A correctly explains the safety risk. It does not freeze skin, is not a neutral salt, and its effect is not limited to colour change. Gloves, eye protection, and proper handling are essential.
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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