123 JEE Main Surface Chemistry PYQs (2002–2023) with verified answers and step-by-step solutions.
This page collects every JEE Main Surface Chemistry previous-year question from Chemistry, 2002–2023. Each links to a full solution with a verified answer key. Click any year above to narrow the list, or open a question to study its step-by-step working and then practice it on PrepSharp's CBT player.
Four gases, A ,   B ,   C and D have critical temperatures 5 . 3 ,   33 . 2 ,   126 . 0 and 154 . 3…
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : The…
What happens when a lyophilic sol is added to a lyophobic sol?
Statement I: For colloidal particles, the values of colligative properties are of small order as compared to values sho…
The number of statement/s which are the characteristics of physisorption is ___________. A. It is highly specific in na…
Match List-I and List-II List-I List-II A. Osmosis I. Solvent molecules pass through semi permeable membrane towards so…
Which of the following salt solutions would coagulate the colloid soloution formed when FeCl 3 is added to NaOH solutio…
The number of incorrect statement/s from the following is/are A. Water vapours are adsorbed by anhydrous calcium chlori…
The number of correct statements about modern adsorption theory of heterogeneous catalysis from the following is ......…
The statement/s which are true about antagonists from the following is/are: A. They bind to the receptor site. B. Get t…
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