Answer the questions on the basis of your understanding of the following passage and related stud...
0Answer the questions on the
basis of your understanding of the following passage and related studied concepts:
Sodium is a very important element Many of its compound are widely used by us, even in our food as well as for washing clothes. Sodium carbonate decahydrate (Na_2CO_3· 10 H_2O) is called washing soda and is widely used for washing clothes. When it is saturate with dioxide of carbon in moist environemnt, it given a product called baking soda.
Na_2CO_3+H_2O+CO_2Δ⟶NaH_3CO_3
Baking soda is used in small amount in making bread and cake. It helps to make these soft and spongy. An aqueous solution of baking soda turns red litmus blue. It is also used in soda-acid fire extinguisher.
Which reaction is used in soda-acid fire extinguishers?
(a) NaHCO_3Δ⟶Na_2CO_3+H_2O+CO_2
(b) NaHCO_3+H^+⟶CO_2+H_2O
(c) Both (a) and (b) (Sodium salt of acid).
(d) None of the above
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