Let's Try Multiple Choice Directions: Read and analyze each question carefully. Circle the letter of the best answer. 1. What can you do to increase the concentration of a solution? A. add more powder or solute C. less powder or solute B. add more water D. less water or solvent
2. What can you do you decrease the concentration of a solution? A. add more powder or solute C. less powder or solute B. add more water D. less water or solvent
3. When we have a less concentrated solution, it is said to be? A. Diluted C. concentrated B. Saturated D. supersaturated
4. What can you add to make a solution more concentrated? A. solute C. water B. solvent D. acid
5. Which solution is more concentrated? A. 25g of salt in 100ml of water C. Og of salt in 100ml of water B. 5g of salt in 100ml of water D. 10g of salt in 100ml of water
6. Which of the following is the characteristic of a diluted solution? A. Dark in color C. Have a large amount of solute B. Have a strong scent D. Have a small amount of solute
7. 8g of urea was dissolved in 600g of water. Calculate the percentage by mass of urea in the solution. A. 1.32% C. 1.39% B. 1.31% D. 1.40%
8. 8g of urea was dissolved in 600g of water. Calculate the percentage by mass of urea in the solution. C. 1.32% C. 1.39% D. 1.31% D. 1.40%
9. 38.2g of glucose is dissolved in 500g of water. Calculate the percentage by mass of glucose solution. A. 7.1% C. 8.877% B. 7.12% D. 9.877%
10. Which of the following refers to a solution in which no more solute can be dissolved at a certain temperature? A. saturated C. solution B. unsaturated D. diluted








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