Notes
CHAPTER 2.
ACIDS, BASES AND SALTS.
FAMILY OF SALTS.
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WHEN ALL THE SALTS HAVE POSITIVE OR NEGATIVE RADICALS (IONS) IN COMMON.
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CHLORIDE SALT FAMILY: NACL, ALCL3, KCL, MGCL.
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SODIUM SALT FAMILY: NACL, NA2SO4, NA2O3.
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SULPHATE SALT FAMILY: NA2SO4, K2SO4, ZNSO4, CUSO4.
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CARBONATE SALT FAMILY: NA2CO3, K2CO3, CACO3, CUCO3.
BAKING SODA (NAHCO3).
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CHEMICAL NAME: SODIUM HYDROGEN CARBONATE.
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PREPARATION:
NACL + H2O + CO2 + NH3 ----- NH4CL + NAHCO3.
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IT IS A WHITE COLOR SALT.
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IT IS A MILD BASE (PH=10). SO, IT IS USED AS A ANTACIDS.
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IT IS NON CORROSIVE.
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WE CAN FORM SODA ACID FIRE EXTINGUISHER.
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IT IS MAJORLY USED IN BAKING PRODUCTS LIKE CAKE, BREAD FOR MAKING CAKE AND BREAD
SOFT, PLUFFY AND SPONGY IN NATURE.
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CO2 IS THE MAIN REASON FOR THE SOFTNESS OF CAKE AND BREAD.
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BAKING SODA + TARTARIC ACID = BAKING POWDER.
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TARTARIC ACID IS USED TO NEUTRALIZE THE BITTERNESS OF BAKING SODA.
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BAKING SODA IS USED IN MAKING CRISPY PAKORAS AND ALSO FOR FASTER COOKING.
