Question

Salt A is commonly used in bakery products. On heating, it produces salt B, gas C and water. Salt B when recrystallised yields washing soda. Gas C turns lime water milky when passed through it.
Identify A, B, and C.​

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Option A is correct:
A: ${\text{NaHCO}}_3$
B: ${\text{Na}}_2{CO}_3$
C: ${\text{CO}}_2$