when dilute sulphuric acid or vinegar is added to washing soda bubbles of a colourless gas out form.what type of change is it?explain
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That gas is hydrogen gas.. It is a ecothermic reaction as acid is reacting with base....
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When dilute sulphuric acid is added to washing soda, then a chemical reaction occurs in which bubbles of colourless gas carbon dioxide forms and calcium sulphate forms.
It is a chemical change as new products forms.
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