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

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

1. only neutralisation reaction occurs, no gas is released

2.white-coloured precipitate is formed

3.CO2 gas comes out with brisk effervescence

4. H2 gas comes out with pop sound

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