CP Chem Chemical & Physical Changes/Elements & Compounds/Mixtures Quiz (9/25/2024)

Last updated 11 months ago

10 questions

Required

2

Required

2

Required

3

Required

5

Required

4

Required

6

Required

2

Required

2

Required

2

Required

2

Consider the table below. In a sample of 100 g of sucrose, what would be the expected mass of hydrogen?

42.20 grams

 100.00 grams

51.26 grams

6.50 grams

there is another element not shown

the copper changes to chlorine in compound II

the two compounds are not the same 

experimental error

Sort the following words- Which represent physical changes and which represent chemical changes?

Iron

Granite

Sea water

Diamond

Sand and water

Fruit salad

Air

Salt dissolved in water

Beef stew

Concrete

Vinegar

Sugar solution

Carbon dioxide

Silver

Iron

Water

Consider the table below. In a sample of 100 g of sucrose, what would be the expected mass of hydrogen?

42.20 grams

 100.00 grams

51.26 grams

6.50 grams

Consider the table below. Why are the mass ratios of copper and chlorine not the same for Compound I and Compound II?

there is another element not shown

the copper changes to chlorine in compound II

the two compounds are not the same 

experimental error

Sort the following words- Which represent physical changes and which represent chemical changes?

Coffee (various dissolved compounds in water)

Brass (a solid mixture of copper and zinc)

Rubbing alcohol (isopropyl alcohol dissolved in water)

Vinegar (acetic acid dissolved in water)

Which two are categorized as pure substances?

Iron

Granite

Sea water

Diamond

What are examples of homogeneous mixtures?

Sand and water

Fruit salad

Air

Salt dissolved in water

Which among the following are examples of heterogeneous mixtures?

Beef stew

Concrete

Vinegar

Sugar solution

Identify the two compounds from the following substances.

Carbon dioxide

Silver

Iron

Water