What is the major risk of storing sodium hydroxide in an acid bottle?
Answer and explanation
Correct answer: Heat may be released by an acid-base reaction
Sodium hydroxide is a strong base, while the residue in an acid bottle may contain an acid. If the two come into contact, neutralisation occurs: acid plus base forms salt and water, and the process releases heat. A concentrated mixture may heat rapidly and cause splashing, burns, or damage to the container. Thus option A identifies the real laboratory hazard; the other choices are chemically false.
Frequently asked questions
What is the correct answer to this question?
Heat may be released by an acid-base reaction
Why is this the correct answer?
Sodium hydroxide is a strong base, while the residue in an acid bottle may contain an acid. If the two come into contact, neutralisation occurs: acid plus base forms salt and water, and the process releases heat. A concentrated mixture may heat rapidly and cause splashing, burns, or damage to the container. Thus option A identifies the real laboratory hazard; the other choices are chemically false.
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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