Q2 Science Summative 2
Quiz by Jeremiah Elizalde Cena
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- Q1
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Student A tried to mix a tablespoonful of sugar in a glass of hot water. While Student B mixed a tablespoonful of sugar with a glass of tap water. They tried to do this at the same time. What did they observe on the two mixtures they made?
The sugar did not dissolve completely in the two set-ups they made.
The sugar dissolved faster in tap water.
The sugar dissolved faster in the glass of hot water.
The sugar floated at the top of each solvent.
300s - Q2
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Which of the following tells about the ability of a solute to dissolve in a given amount of solvent?
solubilty
elasticity
viscosity
immiscibility
120s - Q3
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Which of the following materials will dissolve in hot water faster?
rock salt
coffee beans
sugar cubes
granulated sugar
120s - Q4
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Sugar is a kind of solute that usually mixes uniformly. In which glass will make the sugar HARD to dissolve?
a glass of hot water
a glass of tap water
a glass of mineral water
a glass of cold water
120s - Q5
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Your mother prepared two glasses of juice powder and water, but she was not able to mix well the mixture in the other glass. Which of the following factors affecting the rate of dissolution made the other one sweeter compared to the other glass?
size of particles
amount of solvent
temperature
stirring of mixtures
300s