When dilute sulphuric acid or vinegar is added to washing soda, bubbles of colourless gas are formed. What kind of change it is. Explain

It is a chemical change. In a chemical change, a new substance is always formed. In this case, when dilute sulphuric acid of vinegar is added to washing soda a new substance is formed. The bubbles of a colourless gas which are formed are the new substances.

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Sulfuric acid (alternative spelling sulphuric acid), also known as vitriol .... Because the hydration reaction of sulfuric acid is highly exothermic, dilution should?...