MIXTURES

What is a pure substance

• it is made of 4 or more compounds

• it doesn't contain same kind of substances

• it contains the same particles

• it contains only one atom

Mention the two types of Impure substances?

• Homogeneous

• Compounds

• Mixtures

• Heterogeneous

what is a combination of 2 or more substances that keep their own identities?

• Mixture

• Element

• Pure substance

• Compound

What is a impure substance?

• A impure substance is a substance that contains two or more pure substances(Element or compounds or both)

• A pure substance is a substance that is made of two or more impure substances(Element or Compound or both)

• A impure substance is a substance that contains one pure substance(Elements or Compounds or both)

Name any three mixtures you see/use in your daily life?

• Grass

• Air

• Sand

• Honey

• Milk

Mixture consists of two or more substances(Elements or compounds or both) mixed together physically

• False

• True

• I don't know

what can be separated based on observable properties of their parts?

Carbon Dioxide is used to -

• Extinguish fire

• Boil water

• Break wood

• All of the above