1. Clicker Chemistry Quiz By Amor D. Confesor

2. Which is the most abundant element in the universe? 1.Carbon 2.Hydrogen 3.Oxygen 4.Helium

3. Which is the element of life? 1.Carbon 2.Oxygen 3.Hydrogen 4.Nitrogen

4. What is the process of transforming solid directly into gas without passing the liquid state? 1.evaporation 2.condensation 3.sublimation 4.boiling

5. monosaccharides: carbohydrates :: amino acids : 1.lipids 2.nucleic acids 3.protein

6. The following preparation is a solution except: 1.chocolate syrup in milk 2.sugar in coffee 3.salad dressing

7. Thanks…