RRB Non Technical Model Papers 7 with solutions

Question : 81 of 100

Marks: +1, -0

Which of the following will liberate

CO_2

when heated ?

Solution:

(2) Sodium bicarbonate

(NaHCO_3)

2NaHCO_3→ Na_2 CO_3+ H _2O+ CO_2

Sodium Sodium
Bicarbonate Carbonate

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