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Chemistry CBSE Live product
Class 10
Chemical reaction and equations
Introduction to chemical reactions and equations
5.
Evolution of gas
Question:
2
m.
Choose the correct answers:
A student added a dilute sodium carbonate solution to the test tube containing dilute \(HCl\). The exact observation is a __________.
brown coloured gas liberated
colourless precipitate is formed
colourless gas liberated
brown coloured precipitate is formed
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