Mixtures and Solutions Review

Front

Which is the best definition of a mixture? 

Options: Two same substances combined , Two or more substances you can separate , Two or more substances combined

Back

Two or more substances combined

Front

What method could you use to separate a mixture of rocks and sand?

Back

sifting

Front

A cook makes the following mixture for steak seasoning: 3 grams of salt, 2 grams of pepper, 1 gram of paprika, and 1 gram of garlic powder. How much steak seasoning has he made?

Back

7 grams

Front

Which statement is true about a mixture?
- Substances are not chemically joined when combined and the atoms of the materials do not join together.
- Substances are not chemically joined when combined.
- The atoms of the materials do not join together.

Back

Substances are not chemically joined when combined and the atoms of the materials do not join together.

Front

When two things join together chemically and atoms combine, what happens to the materials?

Back

Their properties change.

Front

Compare these mixtures. Which is a mixture you can separate entirely by hand? Options: Ingredients in a cake, A mixture of coins, Melted chocolate and marshmallows

Back

A mixture of coins

Front

 Why is cake not a mixture? 

Back

You cannot separate its ingredients.

Front

Which mixture maintains the physical properties of its ingredients when mixed?

Options:

Lemon juice and water

,

Flour and paper clips

,

Salt and water

Back

Flour and paper clips

Front

The smallest particle of an element is-

Back

an atom

Front

Which of the following could help you separate a mixture of iron nails and sand?

magnetism, evaporation, solubility

Back

magnetism