The ____ Symbol Acts as a Digit Placeholder That Displays

question 16

Multiple Choice

The ____ symbol acts as a digit placeholder that displays significant digits.

• A) (#)
• B) (0)
• C) (?)
• D) (%)

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Definitions:

Enantiomers

Mirror-image molecules that are non-superimposable, differing in the spatial arrangement of atoms, commonly affecting their chemical behavior in a chiral environment.

Basicity

A measure of the ability of a compound to act as a base and accept protons.

Aniline

An organic compound with the formula C6H5NH2, a primary amine derived from benzene, used in the manufacture of dyes, drugs, and plastics.

p-Nitroaniline

An organic compound derived from aniline, characterized by a nitro group positioned para (opposite) to the amine group, primarily used in the synthesis of dyes, pharmaceuticals, and agricultural chemicals.