For the Production of Metallic Chromium at High Temperatures, Which

question 68

Multiple Choice

For the production of metallic chromium at high temperatures, which is NOT an appropriate choice for the metal M?Cr₂O₃(s) + 3M(l) → 2Cr(l) + 3MO(s)

• A) Mg
• B) Sn
• C) Ca
• D) Cu
• E) Sr

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Definitions:

Resting Potential

The electrical charge of a neuron when it is not active, reflecting the difference in ion concentration between the inside and outside of the cell.

Electroencephalogram

A test that measures electrical activity in the brain using small, flat metal discs (electrodes) attached to the scalp.

EEG

Electroencephalography, a technique used to record the electrical activity of the brain, useful in diagnosing epilepsy, sleep disorders, and other neurological conditions.

Alan Hodgkin

A British physiologist who, alongside Andrew Huxley, described the ionic mechanisms that underlie the generation of the action potential in neurons.