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3
Q:

If we take a small amount of washing soda and add approximately 1 mL of dilute hydrochloric acid to it, what will we observe?

A) only neutralisation reaction occurs, no gas is released B) white-coloured precipitate is formed
C) CO2 gas comes out with brisk effervescence D) H2 gas comes out with pop sound

Answer:   C) CO2 gas comes out with brisk effervescence



Explanation:
Subject: Chemistry
Exam Prep: Bank Exams
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