Home › Karnataka SSLC (Class 10) › Science › Acids, Bases and Salts › A metal carbonate reacting with a dilute acid gi…
A metal carbonate reacting with a dilute acid gives a salt, water and
Ahydrogen gas
Boxygen gas
Ccarbon dioxide
Dammonia
Answer & Solution
Correct answer: C. carbon dioxide
1. Metal carbonate + acid → salt + water + carbon dioxide.
2. The gas **carbon dioxide** turns lime water milky, confirming CO₂.
3. e.g. Na₂CO₃ + 2HCl → 2NaCl + H₂O + CO₂.
_Source: Karnataka SSLC (KSEEB) Class 10 Science, Ch2 'Acids, Bases and Salts', §2.2_
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