Movement of substances 1

A student will make a sugar solution, which of the following is a good solvent for making this solution ?

• cane sugar

• tap water

• orange syrup

• dilute vinegar

Mom mix a liter of fresh milk with some drops of strawberry essence and a spoon of honey ? The mixture produced by mom now is called ……

• solute

• solvent

• solution

• suspension

Which of following substance insoluble in aquadest (distilled water) ?

• rock sugar

• wheat flour

• mineral salts

• soy sauce

Which of following salt solution is the most concentrated than others ?

• 10 gr salt in 100 ml of water

• 100 gr salt in 500 ml of water

• 50 gr of salt in 200 ml of water

• 150 gr of salt in a liter of water

Father make 4 cups of coffee for his friends and himself. This is the first time he make coffee drinks.

After mix hot water with coffee and sugar, he taste that its too dilute. What should he do to make the taste of coffee is better ?

• Add more cold water

• Heat the solution

• Add more coffee and sugar

• Add more hot water

A substance that should dissolved in Aquarium water always in large number to keep the fishes stay alive is ….

• water

• waste

• carbon dioxide

• oxygen

When the random dispersal of food dye dropped molecules in water stop ?

• When there is concentration gradient in the solution

• When the solution reach the dynamic equilibrium

• When the solution already saturated with food dye

• When the solution still unsaturated with food dye

How could Oxygen Diffuse into Amoeba body and Carbon dioxide diffuses out from Amoeba body ?

• The oxygen concentration in water is higher than inside the Amoeba body

• The oxygen concentration in water is lower than inside the Amoeba body

• The carbon dioxide concentration in water is higher than inside the Amoeba body

• The carbon dioxide concentration in water is equal with inside the Amoeba body

Diffusion is a kind of Passive transport , because ……

• It involved the movement of substance from higher concentration into lower concentration

• It involved the concentration gradient of two different substance with different concentration

• It involves membrane between two regions with different concentration level

• It doesn't need energy to move the molecules of substances

A kind of gas which could dissolved in soda drink is ...