1. Rubbing alcohol is a solution. What is the solute in a rubbing alcohol?
A. Alcohol
B. Water
C. Water vapour
D. Alcoholvapou

2. Which is the universal solvent?
A. Gas
B. Oil
C. Alcohol
D. Water

3. In a Solution, what substance dissolves?
A. Emulsion
B. Solute
C. Solution
D. Solvent

4. Colloids are heterogenous mixtures. Which of these mixtures is not a colloid
A. Soft drink
B. Shampoo
C. Mayonnaise
D. Shaving cream

5. What is the phenomenon in a particles in a colloid scatter the beams of light that are directed at them?
A. Tyndall Effect
B. Dispersion
C. Concentrated
D. Absorption

6. In construction sites, sand is mixed with cement and water to produce concrete. What kind of mixture is concrete?
A. Solution
B. Colloid
C. Suspension
D. Emulsion​