What Is the Coefficient in Front of Iron When the Following

question 57

Multiple Choice

What is the coefficient in front of iron when the following equation is balanced? Fe + O₂ $\to$ Fe₂O₃

• A) 1
• B) 2
• C) 4
• D) 6

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Definitions:

Babinski Reflex

A reflex action in which the big toe remains extended or extends itself when the sole of the foot is stimulated, indicative of abnormalities in the central nervous system.

Moro Reflex

An infantile reflex triggered by a sudden loss of support, where the infant feels as if it is falling, manifesting in spreading arms, pulling arms in, and crying.

Palmar Reflex

An involuntary movement where babies close their fingers in a grasp when their palm is touched.

Withdrawal Reflex

An involuntary response to a painful stimulus, leading to the automatic withdrawal or movement away from the source of pain.