____ Rails or Check Rails Are the Rails That Meet

question 13

Multiple Choice

____ rails or check rails are the rails that meet in the middle of a double-hung window.

• A) Transom
• B) Meeting
• C) Extension
• D) Weather

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Definitions:

Compound

A substance formed from two or more elements chemically bonded together in a fixed ratio.

3-nitrophthalic Acid

An aromatic dicarboxylic acid compound with a nitro group substituted at the 3-position on the benzene ring.

Pentanedioic Acid

An organic compound also known as glutaric acid, with the formula C5H8O4, characterized by two carboxylic acid groups at each end of a five-carbon chain.

Trans-1,3-cyclohexanedicarboxylic Acid

A type of dicarboxylic acid where the carboxyl groups are located on the first and third carbon atoms of a cyclohexane ring, in a trans configuration.