ENCUESTA DE PERSONA DOCENTE 2019-2020

What is a mixture?

• A combination of two or more things that forms a new substance

• A combination of two or more things that cannot be separated

• A combination of two or more things that has a fixed composition

• A combination of two or more things that can be separated

What is matter?

• Anything that takes space and has a shape

• Anything that takes space and has a weight

• Anything that takes space and has a volume

• Anything that takes space and has a mass

What are atoms?

• The smallest unit of time

• The smallest unit of volume

• The smallest unit of energy

• The smallest unit of matter

What is a pure substance?

• All same element or compound

• A combination of different elements

• A combination of different compounds

• A combination of different atoms

What is a component in a mixture?

• The substance that dissolves

• The substance that does not dissolve

• Own substance in a mixture

• The substance that separates easily

What is a homogeneous mixture?

• Mixture with visibly different components

• Mixture with chemical reaction

• Mixture with magnetic properties

• Mixture with uniform appearance

How is magnetism useful in separating mixtures?

• By causing a chemical reaction

• By dissolving the mixture

• By attracting magnetic components

• By changing the appearance of the mixture

What is a solution?

• A mixture with visibly different components

• A mixture made when one substance is dissolved in another

• A mixture with only one type of atom

• A mixture that cannot be separated

What is the solute in a solution?

• The substance that dissolves

• The substance that does not dissolve

• The substance that separates easily

• The substance that dissolves

What is an insoluble substance?

• A substance that dissolves easily

• A substance that does not dissolve

• A substance that separates easily

• A substance that changes color