explain giving reasons :
(i) Tartaric acid is component of baking powder used in making cakes.
(ii) Gypsum, CaSO4.2H2O is used in the manufacture of cement
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i) in order to make baking powder we add tartic acid to baking soda . why only tartic acid?
coz the co2 which gets trapped in the wet dough and bubbles out slowly makes the cak e to rise up and also makes the cake soft and spongy thus endowing will give a better result
coz the co2 which gets trapped in the wet dough and bubbles out slowly makes the cak e to rise up and also makes the cake soft and spongy thus endowing will give a better result
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Answer:
(i) Role of tartaric acid in baking powder (mixture of tartaric acid and sodium hydrogen carbonate) is to neturalise sodium carbonate formed upon heating sodium hydrogen carbonate.
2NaHCO3Sod,hydrogencarbonate−→heatNa2CO3Sod, carbonate+H2O+CO2
In cast it is not done, cake will be bitter and sodium carbonate will also have injurious side effectss.
(ii) The role of gypsum (CaSO4.2H2O) in the manufacture of cement is to slow down the process of setting of cement.
Explanation:
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