O Level Chemistry MCQs – Certification Test 820

Change of State Quiz (Question 820) – App & e-Book Download

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MCQ 820: Presence of impurities cause a:

fall in boiling point
rise in melting point
fall in condensation point
none of above

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O Level Chemistry Quiz App & e-Book – Change of State Study Guide

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Free Change Of State Practice App – Download for Android & iOS

The App: Change of State Quiz App to Study Change of State Notes, O Level Chemistry Quiz App, and College Chemistry Quiz App to improve chemistry online persistence.

The "Change of State" App: Free O Level Chemistry Quiz App Download (iOS & Android) for periodic table revision. Download App Store & Play Store Learning Apps with all functionalities to access online chemistry.