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15
×
Based on the ability to conducting heat, wood, rubber and plastic classified as....
Thermal insulator
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15
×
The picture shows ..(chemical/ physical).. changes that ..(reversible/ irreversible)..
physical, irreversible
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15
×
Solid has definite shape, indefinite volume and indefinite mass. What is the correct statement?
Solid has definite shape, definite volume, and definite mass
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15
×
Which solid will have liquid state at 75 degree Celsius?
Solid C and Solid D
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15
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Three evidence that chemical reactions have taken place are....
A gas being produced, a change in colour, a change in temperature
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15
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in a glass of salt water, ... is solute and ... is solvent.
SALT is solute, WATER is solvent
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15
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The temperature at which a substance changes from liquid state to gaseous state is known as ....
boiling point
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15
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A physical change is any change in.... (3 things)
size, shape, state
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15
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The ability to conduct heat called....
Thermal conductivity
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15
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The process by which a solute is mixed with a solvent called....
Dissolving
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15
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when we burn a paper, the white colour turn to black. It is an example of chemical changes because....
the colour change / new substance (ashes) formed
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lifesaver
Give 25 points!
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seesaw
Swap points!
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rocket
Go to first place!
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baam
Lose 15 points!
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heart
Other team wins 25 points!
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seesaw
Swap points!
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shark
Other team loses 15 points!
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thief
Give points!
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25
15
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In photosynthesize, water and carbon dioxide react and produce oxygen and glucose. The reactants on the reaction are....
water and carbon dioxide
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baam
Lose 20 points!
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star
Double points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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15
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Boiling occurs at all temperatures, while evaporation occurs when liquid reaches a certain temperature.Is the statement true or false?
false
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