Formative Assessment in Science Grade 7
Quiz by CID Office SDO Balanga
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10 questions
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- Q1In a saturated solution, which of these acts will cause more solute to dissolve?By cooling the solutionBy decreasing the soluteBy adding more soluteBy heating the solution30s
- Q2A solution can still dissolve more solute. What type of solution is it?SaturatedConcentratedUnsaturatedSupersaturated30s
- Q3Your sister prepared juice for your visitors. You noticed that some juice particles were not dissolved. How will you describe the juice prepared by your sister in terms of saturation?UnsaturatedSupersaturatedSaturatedConcentrated30s
- Q4In which step is the solution described as saturated?Step 2Step 4Step 1Step 330s
- Q5Which of the following is less concentrated?20 grams sugar, 50 grams water10 grams sugar, 50 grams water25 grams sugar, 50 grams water15 grams sugar, 50 grams water30s
- Q6In your Science 7 class, you prepared a solution by mixing 45 g of salt in 100 g of water. What are the concentrations of the solute and solvent in percent by mass?Solute: 45% Solvent: 100%Solute: 45% Solvent: 145%Solute: 31% Solvent: 69%Solute: 0.31% Solvent: 0.69%30s
- Q7You prepared a solution containing 9% of sodium chloride. How will you describe your solution?The solution contains 0.9 grams of sodium chloride and 0.91 grams of water.The solution contains 9% of sodium chloride and 91% of water.The solution contains 90 grams of sodium chloride and 100 grams of water.The solution contains 90 % of sodium chloride and 10 % of water.30s
- Q8What term is used to describe a solution if it contains as much dissolved solute as it can hold under a given set of conditions?ConcentrateSaturatedUnsaturateSupersaturated30s
- Q9How would you classify the solution if it contains less solute than the maximum it can dissolve?UnsaturatedSaturatedSupersaturatedSolubility30s
- Q10What is the percentage of concentration in the following solution: 5grams sucrose in 80 grams of water?9.5%5.9%16%6.3%30s