MCQ 11 MarkWhich will not undergo sublimation?AAmmonium chlorideBCamphor✓Sodium chlorideDIodineAnswerCorrect option: C. Sodium chlorideCView full question & answer→
MCQ 21 MarkWhen calcium carbonate is heated, it changes to calcium oxide and carbon dioxide. The change brought about by the heat energy is :Achange of stateBchange of dimensionsCchange of temperature✓chemical changeAnswerCorrect option: D. chemical changeDView full question & answer→
MCQ 31 MarkA vapour is a gaseous state of liquid :✓below the boiling point of liquidBabove the boiling point of liquidCat the boiling point of liquidDnone of theseAnswerCorrect option: A. below the boiling point of liquidAView full question & answer→
MCQ 41 MarkA small piece of camphor placed in sunshine disappears due to the process of :AevaporationBvaporisation✓sublimationDnone of theseAnswerCorrect option: C. sublimationCView full question & answer→
MCQ 51 MarkThe wet clothes dry due to the process of :Avaporisation✓evaporationCsublimationDliquefactionAnswerCorrect option: B. evaporationBView full question & answer→