Mixtures and Separating Mixtures

Which is true about HOMOGENEOUS mixtures?

• It is a combination of two or more substances but only one is visible.

• It is a combination of two or more substances; some are still visible after mixing.

• It is composed of one substance only.

• It is a combination of substances but none of them is visible.

Which is true about HETEROGENEOUS mixtures?

• The composition of mixtures is the same throughout

• The composition of mixtures is visible

• The composition of mixtures can be easily identified

• Both B and C

A 3 in 1 coffee sachet contains coffee, sugar, and creamer. Thus, making it heterogeneous. When hot water is poured, it turns into a homogeneous mixture. What idea supports this occurrence?

• The components of 3in1 coffee dissolve in hot water.

• The components of 3in1 coffee dissolved in hot water taste sweet.

• The components of 3in1 coffee form a two-layer liquid.

• The components of 3in1 coffee can be separated.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which of the following substances can be dissolved?

• Stone

• Leaf

• Salt

• Cloth

It is a mixture formed when a substance is dissolved in another substance.

• Solution

• Suspension

• Colloid

• None of the above

What type of mixture is formed when sugar is mixed with water?

• Solution

• Suspension

• Colloid

• None of the above

A mixture of orange juice powder to water is classified as ______________.

• Heterogeneous

• Homogenous

• Insoluble

• Immiscible

Which is regarded as the universal solvent?

• Water

• Acetone

• Paint

• Soy Sauce

Which is TRUE about solubility?

• The higher the liquid temperature, the faster a solute can be dissolved in a solvent.

• The nature of the solute and the amount of solvent can determine how fast the solute dissolves in a solvent.

• The manner of stirring is a factor in dissolving a solute in a solvent.

• All of the above

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which solvent has the ability to remove nail polish?

• Thinner

• Acetone

• Cuticle remover

• Bleach

Tags

NGSS.MS-PS1-2