Types of mixture Quiz
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5 questions, one answer each
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1. Which mixture has particles that settle if left to stand?
- A. Salt solution
- B. Milk
- C. Muddy water
- D. Brass
2. In a solution of sugar in water, what is the sugar called?
- A. The solvent
- B. The solute
- C. The emulsifier
- D. The colloid
3. Which of these is an alloy?
- A. Steel
- B. Mayonnaise
- C. Seawater
- D. Fog
4. The solubility of a solid is 40 g per 100 g of water at 70 °C and 15 g per 100 g at 20 °C. What mass of crystals forms when a saturated solution made with 100 g of water is cooled from 70 °C to 20 °C?
- A. 15 g
- B. 40 g
- C. 55 g
- D. 25 g
5. Why does an emulsion such as mayonnaise contain an emulsifier?
- A. To make the oil dissolve in the water
- B. To stop the oil and water separating
- C. To make the particles settle
- D. To turn the mixture into an alloy