Q15 of 270 Page 96

Which compound is used as an antacid in medicine: NaHCO3 or Na2CO3?

NaHCO3; Sodium hydrogencarbonate is an ingredient in antacids. Being alkaline, it neutralises excess acid in the stomach and provides relief.


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13

Name an acid which is present in baking powder.

 14

Name the metal whose carbonate is known as washing soda.

 16

What is the common name of

(a) NaHCO3 or Na2CO3.10H2O?

 17

Write the chemical name and formula of (a) common salt, and

(b) caustic soda.