What is the solute in a solution of salt and water?
What is the water
100
Gold is an example of a mixture, element or compound?
What is and element
100
Use the graph to find the solubility of sucrose at 90 degres
What is 400 g (per 100 g of water)
100
What kind of a mixture is salt and water
What is homogeneus
200
Which is a size independent physical property
a. volume
b. density
What is b. density
200
In fizzy drinks, the carbon dioxide put in is the (solute, solvent or solution)?
What is the solute?
200
Water (H20) is an example of a mixture, element or compound?
What is compound
200
Us the graph to find the solubility of sucrose at 60 degrees
What is 280 g (per 100 g of water)
200
What kind of a mixure is an oatmeal cookie?
What is heterogeneus
300
Which is a chemical change
a. cutting hair
b. water boiling
c. wax melting
d. baking a cake
What is d. baking a cake
300
In the air, nitrogren is the main gas so it is the (solute, solution, solvent)
What is the solvent?
300
Sugar dissolved in water is an example of a mixture, element or compound?
What is mixture?
300
Use the graph to find how much sucrose could dissolve in 25 grams of water at 60 degrees
What is 70 g
300
What is it called when liquid turns to gas?
What is condensation
400
Which is NOT a physical property
a. volume
b. state
c. ability to burn
d. ability to attract a magnet
What is c. ability to burn
400
What is it called when no more of a substrance can be dissolved
a. soluble
b. solvent
c. saturated
d. sublimation
What is saturated
400
Tell which is a mixture, element and compound?
a. silver-___________
b. silver nitrate-____________
c. silver nitrate solution-______________
What is
a. element
b. compound
c. mixture
400
You have a cube of what you think is sucrose. It is 2.3 cm on each side and has a mass of 26.4 g. Find its volume
Then use the formula density = mass/volume to find its density
Volume = 12. 167 cmcubed
Density= 2.17 g/cm cubed
400
What is the name of the process of getting the colors separted in a marker
What is chromotography
500
Which is a chemical change?
a. cutting hair
b. baking a cake
c. wax melting
d. water boilng
What is b. baking a cake
500
According to the solubility graph, how does the solubility of potassium chloride change with temperature?
The higher the temperature, the more soluble the solution
500
Tell which is a MIXTURE, ELEMENT and COMPOUND
a. copper-___________
b. copper sulfate solution-______________
c. copper sulfate-_____________________
What is
a. element
b. mixture
c. compound
500
You have a cube you think is sodium chloride (salt). It is 3.1 cm on each side. It has a mass of 38.5 g
Find its volume
Then use Density = mass/volume to find its density.
volume = 29.791 cm cubed
density= 1.17
500
What is the name of the law that the total amount of mass is the same after a physical or chemical change?
a. Newton's law
b. solubility law
c. law of conservation of mass
d. the matter law