1. If no more solute can be dissolved in a solvent at a given temperature then that solution is called   A Dispersed Solution   A Real Solution   An Unstable Solution   A Saturated Solution   Hint Half-n-half Clue   2. Which of the following is not an allotrope of carbon   Silk   Charcoal   Graphite   Diamond   Half-n-half Clue   3. The two allotropes of phosphorus are   Crystalline Phosphorus, Amorphous Phosphorus   Rhombic Phosphorus, Monoclinic Phosphorus   Alpha Phosphorus, Beta Phosphorus   Red Phosphorus, Yellow Phosphorus   Half-n-half Clue   4. Solubility of a substance in a solvent usually increases with an increase in temperature.   False   True   5. Catalysts often speed up certain chemical reactions.   True   False   6. Fizziness in Coco-Cola/Pepsi is caused by   Carbon Dioxide   Helium   Hydrogen   Nitrogen   Half-n-half Clue   7. Which of the following is not a physical change?   Precipitation   Distillation   Oxidation   Decantation   Half-n-half Clue