Colligative properties Quiz Questions and Answers PDF - 181

MCQ 901: The molal boiling point constant is the ratio of elevation in boiling point with

1. Mole fraction of solute
2. Mole fraction of solvent
3. molarity
4. Molality

MCQ 902: In oxidation reactions, the oxidation number of an atom

1. Decreases
2. Increases
3. Remain constant
4. No change

MCQ 903: A safe and reliable method of drying crystals is through

1. Animal charcoal
2. Vaccum desiccator
3. Silica gel
4. CaCl₂

MCQ 904: The apparent charge on an atom of an element in a molecule or an ion is called

1. Atomic number
2. Mass number
3. Oxidation number
4. None of above

MCQ 905: The zone in the flame which is cold and consists of unburnt particle is

1. Dark inner zone
2. Luminous zone
3. Non-Luminous zone
4. Blue zone