. It is very interesting to note that our stomach produces HCl. It helps in the digestion of food. During indigestion the stomach produces too much acid and this causes pain and irritation. To get rid of this pain, people use antacids. Milk of magnesia is one such example. Similarly, a compound ‘X’ of Sodium is used as an antacid and it decomposes on strong heating
a) Identify the compound ‘X’ and write its chemical formula.
b) Write a balanced chemical equation to represent the decomposition of ‘X’.
c) Give one use of compound ‘X’ besides an antacid.
OR
Write the chemical equation for preparation of compound ‘X’.
a) Identify the compound ‘X’ and write its chemical formula.
b) Write a balanced chemical equation to represent the decomposition of ‘X’.
c) Give one use of compound ‘X’ besides an antacid.
OR
Write the chemical equation for preparation of compound ‘X’.
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a) The compound 'X' is Sodium Hydroxide (NaOH) and its chemical formula is NaOH.
b) The balanced chemical equation for the decomposition of Sodium Hydroxide on strong heating is:
2NaOH (s) → Na2O (s) + H2O (g)
c) One use of Sodium Hydroxide besides as an antacid is in the production of soap and detergents as a strong base for neutralizing fatty acids.
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Answer:
a) 'X' is Baking soda
chemical formula - NaHCO3
b 2NaHCo3----> Na2CO3 + CO2 + H2O
c) It is used in soda - acid fire extinguishers.
OR
NaCl+ H2O + CO2 + NH3 -->NH4Cl + NaHCO3