Home › Andhra Pradesh SSC (Class 10) › Chemistry › Acids, Bases and Salts › The gas usually evolved when a dilute acid react…
The gas usually evolved when a dilute acid reacts with a metal is
Ahydrogen
Boxygen
Cchlorine
Dnitrogen
Answer & Solution
Correct answer: A. hydrogen
1. A dilute acid reacts with many metals: acid + metal gives salt + hydrogen.
2. The gas burns with a pop sound when a lit splint is brought near.
3. That pop test confirms the gas is hydrogen.
_Source: AP/TS SCERT Class 10 Physical Science, "Acids, Bases and Salts"_
Related questions
A honey bee sting injects an acid. The pain can be relieved by applyingWhile diluting a concentrated acid, the correct and safe practice is to addThe formula of washing soda isOn strong heating, baking soda gives sodium carbonate, water andThe chemical name of baking soda isBleaching powder is represented by the formulaThe three products of the chloro-alkali process are sodium hydroxide, hydrogen andIn the chloro-alkali process, electricity is passed through