1st Quarter Examination in Science 6

What makes the solution different from suspensions?

• A solution is less concentrated than a suspension.

• A solution is more concentrated than a suspension.

• A solution is homogenous while a suspension is heterogenous.

• A solution is heterogenous while a suspension is homogenous.

Why does fine salt disappear when mixed with water?

• The particles of salt settles at the bottom.

• The particles of salt spread evenly in water.

• The particles of salt are absorbed by the water.

• The particles of salt become odorless and tasteless.

How can you decrease the concentration of mango juice?

• by adding more solute

• by adding some solvent

• by adding same amount of solute and solvent

• by letting it stand untouched for 1 hour

Which of the following colloids is an example of a sol?

• Butter

• foam

• fog

• paint

To completely separate the hulls from the rice grains, a process called _____ is done.

• filtration

• winnowing

• evaporation

• panning

In separating the coconut meat from its milk, a ______ can be used.

• bilao

• centrifuge

• strainer

• magnet

_______ is used to produce clean drinking water.

• dialysis

• decantation

• evaporation

• filtration

Gold can be separated from rocks through _______.

• decanting

• panning

• evaporating

• winnowing

Which of the following substances is insoluble in water?

• salt

• stone

• sugar

• vinegar

Which of the following liquids is immiscible with water?

• kerosene

• liquid soap

• soy sauce

• vinegar