WorksheetsCHEMISTRY RECIT
Total questions: 25
Worksheet time: 12mins
technetium is an example of element
True
False
A pure substance made of two or more elements that are chemically combined is a mixture.
True
False
Compounds can be separated by physical methods.
True
False
Elements can exist as a single atoms or diatomic molecules.
True
False
Elements organized in the periodic table.
True
False
Steel rod being heated into a molten metal is an example of a phase change.
True
False
Eating and digesting a cheese pizza is an example of chemical change.
True
False
A color of a sunset is an example of physical properties.
True
False
Salad is a homogeneous mixture that are evenly mixed.
True
False
A colloidal mixture is undergo Tyndall effect.
True
False
Which of the following apparatuses is used for making more accurate volume of measurements?
spring balance
weighing scale
burette
graduated cylinder
Which of the following is an example of condensation?
ice cube
foggy window
perspiration of the body
ice crystals
Given by the different properties of matter, which one belong to extensive properties?
volume
boiling point
hardness
softness
Which of the following can be classified as one of the intensive properties of matter?
mass
malleability
volume
calories
Which of the following is NOT an example of chemical change?
corrosion
explosion
evaporation
rotting of food
When substance changes from liquid to a gaseous state, which among the phase change is being considered?
boiling
melting
ending
starting
Which of the following does not have elasticity property?
sponge
pony tail
rubber band
waist band
Which of the following is a characteristic of liquid?
molecules are tightly packed
takes the shape of its container
constantly keeps its shape
molecules are spread far apart
Which of the following elements can show ductility best?
iron
copper
silver
gold
Which is NOT an example of unique properties of matter?
luster
surface tension
weight
electrical
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