Download 9th class Chemistry chapter 1 "States of Matter and Phase Changes" MCQs notes in PDF. Get class 9 chemistry new PECTAA text book exercise mcqs plus extra multiple choice questions with answers according to Punjab Boards new syllabus 2025-26 and onwards. All 54 MCQs of the unit are here, from the branches of Chemistry and the allotropic forms of carbon through to solubility and the difference between a solution, a colloid and a suspension.

Details

These are the multiple choice questions for Unit 1, States of Matter and Phase Changes, from the new 9th class Chemistry book followed by the Punjab boards. The textbook exercise MCQs come first, then a longer set of additional MCQs arranged topic by topic, and the answer key sits at the end of the file.

Class: 9th (Matric Part 1)
Subject: Chemistry, English Medium
Unit 1: States of Matter and Phase Changes
Question type: Multiple choice questions
Total MCQs: 54, followed by an answer key table
Syllabus: New PECTAA syllabus for Punjab Boards, sessions 2025-26 and 2026-27
Format: PDF, ready to read or print

Topics the questions are drawn from:

Diamond, graphite and buckyballs, and the structure behind each one
Allotropy, and the allotropic forms of carbon and oxygen
How solubility changes with temperature for salts such as KNO3, NaNO3, KCl and NaCl
Solutions, colloidal solutions and suspensions, with everyday examples of each
Homogeneous and heterogeneous mixtures

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