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WorksheetsChemistry Concept Inventory
Total questions: 30
Worksheet time: 15mins
Two people decide to share a sugar-sweetened soft drink. The soft drink is divided equally into two glasses. Person B adds an equal amount of water to his glass.
Which glass contains the sweeter-tasting drink?
Glass A
Glass B
Glass A & Glass B contain drinks that are equally sweet.
Can't tell from the information given.
Two people decide to share a sugar-sweetened soft drink. The soft drink is divided equally into two glasses. Person B adds an equal amount of water to his glass.
Which glass contains more sugar?
Glass A
Glass B
Both glasses contain equal amounts of sugar.
Can't tell from the information given.
Two people decide to share a sugar-sweetened soft drink. The soft drink is divided equally into two glasses. Person B adds an equal amount of water to his glass.
Which glass will provide more energy from the drink in it?
Glass A
Glass B
Both Glass A & Glass B will provide the same amount of energy.
Can't tell from the information given.
A strong perfume is sprayed in the center of a sealed room.
Which of the following diagrams represents the distribution of perfume particles the instant the perfume is sprayed?
A strong perfume is sprayed in the center of a sealed room.
Which of the following diagrams represent the distribution of perfume particles after several hours after the perfume had been sprayed?
The evening before a birthday party, several balloons are filled with helium gas. The birthday party occurs on a hot summer day.
The next day some of the balloons burst! They burst because
the helium particles got bigger.
the space between the helium particles increased.
A and B are the correct reasons.
B and C are the correct reasons.
The evening before a birthday party, several balloons are filled with helium gas. The birthday party occurs on a hot summer day.
A guest at the party dives into the swimming pool holding an inflated balloon! When she gets to the bottom of the pool, the balloon
becomes smaller.
becomes bigger.
does not change in size.
does not submerge with the diver.
A candle is lit in a closed room. After an hour, which of the following statements is true?
Part of the candle no longer exists.
The candle melted and is found at the base of the candle.
The candle was converted to energy.
The material that “disappeared” is dispersed throughout the room.
A sugar cube is added to a hot cup of coffee. What happens to the sugar particles?
They cease to exist.
They spread out through the hot coffee.
They melt in the hot coffee.
They formed a new and different type of substance with the coffee.
A glass is half-filled with water at room temperature. Then some ice cubes are added to the water. Very soon, water droplets appear on the outside surface of the glass. Why does this happen?
Water leaked out of the glass when ice cubes were added to it.
The ice-water mixture cools the air, causing it to condense on the glass surface.
Water in the air condenses on the cold surface of the glass.
The ice-water mixture forms droplets on the surface of the glass.
Water inside a beaker is heated until it boils. While the water boils, the temperature of of the water
increases.
decreases.
does not change.
The bubbles that form when the water boils
contain nothing.
are air bubbles.
are water vapor.
are hydrogen and oxygen gas.
While the water boils, some salt is added to it. Which of the following statements is true?
This causes the water to stop boiling and cools it down.
This causes the water to boil at a higher temperature.
This causes the water to boil at a lower temperature.
This doesn’t have any effect on the boiling water.
Which represents a solid?
Which represents a gas?
Which represents a liquid?
The figure represents a schematic view of helium gas at 25oC. (77oF) From the diagrams given, select the one which represents a view of helium gas at –10oC. (14oF)
Which of the following diagrams represents the product mixture?
Several cubes of ice are added to a warm drink to make the drink cold. This is because
ice is a good conductor of heat.
ice is a poor conductor of heat.
ice releases coldness when it melts.
ice absorbs heat when it melts.
Several cubes of ice are added to a warm drink. After a few minutes the ice is almost gone and the temperature of the drink is
lower than before the ice was added.
higher than before the ice was added.
the same as that of the ice.
impossible to tell.
You take a swim in the swimming pool. Although it is a hot day when you come out, you feel cold. Which of the following statements is TRUE?
The water in the pool is warmer than the air.
The water in the pool is colder than the air.
The water on your skin gets cold when you step out of the pool.
The water on your skin evaporates.
A gold necklace is always shiny. This is because
people are more careful handling gold.
gold repels dirt.
gold does not easily react with the air.
gold is valuable.
Refer to the following diagrams of solids. The objects have equal masses and equal volumes.
Which object has the greatest density?
None of these.
A solid cube sinks in water. If it is cut in half and one piece is put in water, which of the following statements is true?
The piece sinks in water.
The piece floats in water.
The piece neither sinks nor floats.
One can't tell how the piece will behave.
A balloon filled with helium gas is released outside. As it floats upward the balloon gets bigger because
the air pressure is lower.
the air temperature is lower.
the air pressure is higher.
None of these.
Refer to the code here.
Which figure represents a compound?
A
B and C
D and E
D
Use the code here.
Which are representations of mixtures?
A
E
D
A and E
D and E
Refer to the graph. It is the graph of a solid as it is heated.
Which of the diagrams represents what is going on at section X?
Refer to the graph of a solid as it is heated.
Which diagram represents what is going on at section Y?
A sugar cube is dissolved in water. Then the resulting solution is boiled to dryness. Which statement is true about the amount of sugar left after the solution dries?
It is less than the original amount of sugar in the sugar cube.
It is more than the original amount of sugar in the sugar cube.
It is the same as the original amount of sugar.
There is no sugar left.
