Which of the Following Are Combustion Reactions

question 55

Multiple Choice

Which of the following are combustion reactions?
1. CH4 (g) + O₂ (g) → CO₂ (g) + H₂O (l)
2. CaO (s) + CO₂ (g) → CaCO₃ (s)
3. PbCO₃ (s) → PbO (s) + CO₂ (g)
4. CH₃OH (l) + O₂ (g) → CO₂ (g) + H₂O (l)

• A) 1 and 4
• B) 1, 2, 3, and 4
• C) 1, 3, and 4
• D) 2, 3, and 4
• E) 3 and 4

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Definitions:

Positivist Sociological Researchers

Scholars who apply empirical, scientific methods to study society, aiming to identify patterns and laws governing human behavior.

Natural Scientists

are professionals who study the natural world using systematic observation and experimentation, covering fields such as biology, chemistry, and physics.

Free Will

The ability of individuals to make choices that are not determined by prior causes or by divine intervention.

Deviance

Actions or behaviors that violate societal norms or expectations, potentially leading to negative societal reactions.