Environmental Protection Agency (EPA) Model Lead Based Paint Risk Assessor Practice Test

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Prepare for the EPA Model Lead Based Paint Risk Assessor Test. Utilize flashcards and multiple-choice questions, each with hints and explanations. Ensure you are ready for your exam!

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Which pigment does lead chromate belong to?

Organic pigment
Inorganic pigment
Natural pigment
Synthetic pigment

The correct answer is: Inorganic pigment

Lead chromate is classified as an inorganic pigment. Inorganic pigments are typically derived from mineral sources and do not contain carbon-hydrogen (C-H) bonds, which are characteristic of organic compounds. Lead chromate specifically consists of lead oxide and chromium trioxide, making it a compound formed primarily from inorganic materials. The distinction of lead chromate as an inorganic pigment is important for understanding its properties, stability, and environmental implications. Inorganic pigments generally have better heat stability, lightfastness, and opacity compared to organic pigments, which can degrade more easily under certain conditions. Understanding that lead chromate is an inorganic pigment also highlights the concerns associated with its use due to its toxicity, especially in applications like paints and coatings, which ties into the broader context of lead exposure and the regulations established by the EPA regarding lead-based paints. This classification helps in recognizing safety measures and regulatory awareness necessary when dealing with materials that may pose health risks.