Write the balanced equations for the following reactions:

ICSE Class 10 Chemistry PYQ · 2025 Improvement · Section B

7(iii)Written · 2025 · Section B · 2025 Improvement

Write the balanced equations for the following reactions:

(a) Potassium bicarbonate reacts with dilute HCl.

(b) Laboratory preparation of ethane using soda lime.

(c) Warm water is added to Aluminium nitride.

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(a) KHCO3 ​+ HCl ⟶ KCl + H2​O + CO2 ​↑

(b)

$\underset{\text{sodium propionate}}{\text{C}_2\text{H}_5\text{COONa}} + \underset{\text{sodalime}}{\text{NaOH}} \xrightarrow[300^{\circ}\text{C}]{\text{CaO}} \underset{\text{ethane}}{\text{C}_2\text{H}_6} \uparrow + \text{Na}_2\text{CO}_3$

(c) AlN + 3H2​O ⟶ Al(OH)3​ + NH3​ ↑

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