Express $- 40 ^ { \circ } \mathrm { C } \text { in } { } ^ { \circ } \mathrm { F } \text {. }$

question 12

Multiple Choice

Express $- 40 ^ { \circ } \mathrm { C } \text { in } { } ^ { \circ } \mathrm { F } \text {. }$

• A) \(4.4 ^ { \circ } \mathrm { F }\)
• B) \(- 54 ^ { \circ } \mathrm { F }\)
• C) \(- 72 ^ { \circ } \mathrm { F }\)
• D) \(- 40 ^ { \circ } \mathrm { F }\)

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Definitions:

KOH

Potassium hydroxide, a strong base used in various industrial and manufacturing processes, such as soap making and as an electrolyte in batteries.

Soluble

The property of a substance to dissolve in a solvent, forming a homogeneous solution at a given temperature and pressure.

AgCl

Silver chloride, a white crystalline chemical compound that is used in photographic processes and as an antiseptic.

Insoluble

A characteristic of a substance that cannot dissolve effectively in a particular solvent.