ICSE-CLASS-X-BOARD SERIES
Chemistry

Gas Laws

3 previous year questions.

Volume: 3 Ques
Yield: Medium

High-Yield Trend

3
2026

Chapter Questions
3 MCQs

01
PYQ 2026
medium
chemistry ID: icse-cla
What volume of carbon dioxide is produced at STP when 5 litres of propane is burnt completely according to the equation given below?
[ C_3H_8 + 5O_2 3CO_2 + 4H_2O ]
1
10 litres
2
15 litres
3
20 litres
4
25 litres
02
PYQ 2026
medium
chemistry ID: icse-cla

(Zn + 4HNO_3 Zn(NO_3)_2 + 2H_2O + 2NO_2)
32.5 g of zinc reacts with concentrated nitric acid as given in the above equation.

(a) How many moles of zinc was required in the reaction?
(b) Find the mass of nitric acid needed to react with 32.5 g of zinc.
(c) Find the volume of nitrogen dioxide liberated in (b).
(Atomic weight: H = 1, N = 14, O = 16, Zn = 65)

03
PYQ 2026
medium
chemistry ID: icse-cla
Differentiate between the following pairs based on the criteria given in the bracket:
(a) Acetic acid and Sulphuric acid (number of replaceable hydrogen ion per molecule)
(b) Electrolyte and Metallic conductor (the particles conducting electricity)

About Gas Laws - ICSE-CLASS-X-BOARD

Gas Laws is a vital chapter for ICSE-CLASS-X-BOARD aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Gas Laws PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Gas Laws carry the most weight. Then, tackle the questions iteratively to solidify your understanding.