Question

plz answer the following questions

Answer 1

19. glacial acetic acid is different from which provided in the laboratory as in laboratory we are provided with dilute acetic acid and glacial acetic acid is pure ethanoic acid. Glacial acetic acid freezes in winter in cold regions.
20.1.sunlight is necessary for substitution reaction because the UV rays of sunlight helps in substituting the halogen with hydrogen.
2.because ethyne is unsaturated hydrocarbon and unsaturated hydrocarbon burns with a sooty flame
21 because vegetable ghee contains large amount of trans fat which is not good for health as it increases cholesterol.
22.1. it is used in the form of vinegar because it prevents microbes from damaging the vegetables in the pickle.
2.CO2 is released in burning diamond as well.as graphite because they both are allotropes of carbon i.e. they are both made up of carbon only molecular arrangement is different.
23.X is ethanoic acid i.e. CH3COOH
CO2 is responsible for brisk effervescence.




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