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Original Question
What happens during rusting of an iron nail?(1 point) Responses Iron and sulfur combine to form iron sulfide. Iron and sulfur c...Asked by jo ma
What happens during rusting of an iron nail?(1 point)
Responses
Iron and oxygen combine to form iron oxide.
Iron and oxygen combine to form iron oxide.
Sulfur and oxygen combine to form a sulfur dioxide coating.
Sulfur and oxygen combine to form a sulfur dioxide coating.
Sulfur, iron, and oxygen combine to form iron sulfoxide.
Sulfur, iron, and oxygen combine to form iron sulfoxide.
Iron and sulfur combine to form iron sulfide.
Responses
Iron and oxygen combine to form iron oxide.
Iron and oxygen combine to form iron oxide.
Sulfur and oxygen combine to form a sulfur dioxide coating.
Sulfur and oxygen combine to form a sulfur dioxide coating.
Sulfur, iron, and oxygen combine to form iron sulfoxide.
Sulfur, iron, and oxygen combine to form iron sulfoxide.
Iron and sulfur combine to form iron sulfide.
Answers
Answered by
jo ma
What does the forward arrow in a chemical equation mean?(1 point)
Responses
The reaction is reversible.
The reaction is reversible.
The reaction proceeds slowly.
The reaction proceeds slowly.
The reaction proceeds quickly.
The reaction proceeds quickly.
The reaction yields something.
Responses
The reaction is reversible.
The reaction is reversible.
The reaction proceeds slowly.
The reaction proceeds slowly.
The reaction proceeds quickly.
The reaction proceeds quickly.
The reaction yields something.
Answered by
jo ma
Which kind of reaction is photosynthesis?(1 point)
Responses
light-independent
light-independent
endothermic
endothermic
exothermic
exothermic
temperature-independent
Responses
light-independent
light-independent
endothermic
endothermic
exothermic
exothermic
temperature-independent
Answered by
jo ma
Photosynthesis requires which kind of energy?(1 point)
Responses
heat energy
heat energy
thermal energy
thermal energy
mechanical energy
mechanical energy
light energy
Responses
heat energy
heat energy
thermal energy
thermal energy
mechanical energy
mechanical energy
light energy
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