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Knowledge review: True or false questions (3114)
Sábado 25 de abril de 2015, por
Decide if these sentences are true or false and rewrite the false sentences correctly. Be careful because each mistake discounts a right answer:
a) The density of a solution is equal to the mass of the solute divided by the volume of the solvent.
b) The interaction between unlike charges is a repulsion force.
c) Distillation is the method to separate miscible liquids.
d) Decantation is the correct method to separate a mix of alcohol and water.
a) FALSE. The density of a solution is equal to the mass of the solution divided by the volume of solution.
b) FALSE. The interaction between unlike charges is an attraction force.
c) TRUE.
d) FALSE. Distillation is the correct method to separate a mix of alcohol and water.