Water & Solutions Question Preview (ID: 12588)
Transitus Science: Water & Solutions.
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How many different dyes does the blue ink contain?
a) 1
b) 2
c) 3
d) 4
What word describes a solid that does not dissolve?
a) Soluble
b) Saturated
c) Insoluble
d) Solute
What is the name of this piece of equipment?
a) Funnel
b) Test Tube
c) Spatula
d) Spoon
Which method of separation would you used to recover the sand from sandy water?
a) Filtration
b) Evaporation
c) Chromatography
d) Distillation
Which method of separation would you use to recover just the salt from salty water?
a) Filtration
b) Evaporation
c) Chromatography
d) Distillation
In distillation, what is the purpose of the piece of equipment highlighted in the diagram?
a) It causes the water to evaporate into a gas.
b) It allows some of the gas to be removed before it is able to condense.
c) It cools the gas so that it condenses back to liquid water.
d) It catches (and removes) any solute particles that are left in the gas.
What is one advantage of distillation over evaporation?
a) Distillation does not require as high a temperature as evaporation.
b) It is a trick question. There are no advantages to distillation.
c) It is quicker and easier to set up.
d) It allows you to recover both the solute and the solvent from a soluion.
What is filtration used for?
a) Separating an insoluble solid from a liquid.
b) Separating a soluble solid from a liquid when you only want to keep the solid.
c) Separating a mixture of two (or more) different liquids.
d) Separating a soluble solid from a liquid when you want to keep both the solid and the liquid.
Which chemical as the highest solubility at 60 degrees?
a) KN03
b) NaNO3
c) NaCl
d) Water
Which piece of apparatus can not usually be used to find the volume of a liquid?
a) Connical Flask
b) Measuring Cylinder
c) Beaker
d) Test Tube
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