A compound 'X' of sodium used as an antacid and it decomposes on strong heating.
(i)Name the compound 'X' and give it's chemical formula.
(ii)write a balanced chemical equation.
(iii)give one use of 'X' besides an antacid.
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Explanation:
(I) "X" is the sodium hydrogen carbonate
chemical formula is Nahco3
(ii) 2Nahco3
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a) X is sodium Bicarbonate or Sodium Hydrogen Carbonate. Its chemical formula is NaHCO3
heat
b) 2NaHCO ==⇒ Na2CO3 + H20 + CO2
c) Apart from antacids, it is used as baking soda which causes expansion or rise in the batter which gives the characteristic taste to cakes or idlis.
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