CHEMISTRY

Which type of mixture has large particles that you can see?

• Homogeneous

• Heterogeneous

• Solutions

The “best mixed” of all mixtures is a

• Compound

• Heterogeneous mixture

• Solution

In which type of mixture will particles settle into layers upon standing?

• Homogeneous

• Pasteurized

• Heterogeneous

C, H and N are chemical symbols for

• Compounds

• Elements

• Molecules

Tags

NGSS.MS-PS1-1

ron cannot be changed into a simpler pure substance by any means - heating, electricity or any chemical process.  This means that iron is

• A mixture

• A compound

• An element

Compounds are made of 2 or more elements ___________ combined.

• Chemically

• Physically

Tags

NGSS.MS-PS1-5

The compound Glucose is also known as table sugar.  Its formula is C6H12O6.  What is the smallest particle of sugar with all of sugar’s chemical properties?

• A molecule

• An atom

• An element

Tags

NGSS.MS-PS1-1

Which of the following are mixtures? (Select all that apply)

• Coffee and sugar

• Carbon

• Sodium Chloride

• Salad dressing

The substances produced by a chemical reaction are called ______.

• Reactants

• Subtractants

• Products

Tags

NGSS.MS-PS1-2

Which of the following are clues tipping you off that a chemical reaction occurred?

• Temperature of two substances you are combining changes – with no heat or refrigeration provided.

• You are heating a liquid and notice bubbles.

• When a powder is added to water, you can no longer see the powder but the water turns its color and you can taste the powder.

Tags

NGSS.MS-PS1-2