Food Chemistry

Mixtures can be distinguished from compounds because ____.

• they taste better
• the are always solids
• the parts that make up a mixture keep their properties
• they are chemically bound

dissolving sugar in iced tea is an example of a:

• Physical change
• Chemical Change

Tags

NGSS.MS-PS1-4

A ________has different properties than the elements that form it.

• coilloid
• solution
• compound
• mixture

Tags

NGSS.MS-PS1-1

Baking cookies is an example of a:

• Physical change
• Chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Two or more elements chemically combined, whose properties are completely different from those of the individual elements, are known as ____.

• Compound
• Heterogeneous
• Homogeneous
• Solution

Tags

NGSS.MS-PS1-1

Pure substances ____.

• Are made of up of only one material
• Have definite and constant properties under certain conditions
• Are elements or compounds
• All of these are correct
• None of the above

An example of heterogeneous mixture is ____.

• Cola (flat)
• Iced Tea
• Sodium Chloride
• Tossed Salad

Which of the following involves a chemical change?

• Combining baking soda and vinegar
• Combining salt and water
• Sweetening iced tea
• Tossing salad

Tags

NGSS.MS-PS1-2

What is an example of a reversible physical change?

• Change in color
• Chopping
• State change
• Rusting

Tags

NGSS.MS-PS1-4

An example of an element is___. (in modern chemistry)

• Air
• Iron
• Water
• Fire