6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂

_{What is a reactant for the equaion for photosynthesis?}

• 6 O₂

• C₆H₁₂O₆ + 6 O₂

• C₆H₁₂O₆

• 6 H₂O

2 AgI + Na₂S → Ag₂S + 2 NaI

The mass of Ag₂S + 2 NaI produced must be equal to

• the total mass of 2 AgI + Na₂S

• twice the total mass of 2 AgI + Na₂S

• one half the mass of 2 AgI + Na₂S

• the mass of 2 AgI minus Na₂S

After time, a copper penny will turn a green color and have a higher mass due to a chemical

process. Which is the most likely reason for the changes to the copper penny?

• Dirt is clinging to the copper penny.

• The copper penny was painted.

• Metal in the copper penny oxidizes.

• The copper penny absorbed water.

Which is a compound?

• lead (Pb)

• sulfur (S)

• hydrogen peroxide (H2O2)

• oxygen gas (O2)

A student examines a powder. He notices most of the powder is made of white grains, but

black grains are also present. The powder should be classified as

• an atom

• an element

• a compound

• a mixture

Erik and Jason was racing to the game.

• was raced

• were race

• were racing

• correct as is

What type of noun names a person, place, or thing that can be perceived by one or more of the senses.

• Concrete noun

• abstract noun

An article is considered what type of speech?

• pronoun

• adverb

• adjective

• helping verb

What type of verb is a verb that expresses an action directed toward a person, place, thing, idea?

• Transitive

• Intrasitive

What part of speech is a word used to join words or groups of words?

• adjective

• adverb

• noun

• conjunction