Correct Answer: Kerosene
Subject: 2025
Explanation: <b>Key Fact</b><br>Kerosene (also known as paraffin or lamp oil) is a flammable hydrocarbon liquid obtained as a middle distillate fraction through the fractional distillation of crude petroleum.<br><br><b>Additional Info</b><br>Topic: Fuels & Petrochemicals.<br><br><b>Why the other options are wrong</b><br>Option A: Petroleum is unrefined crude oil containing various hydrocarbons.<br>Option B: Correct.<br>Option C: Carbon dioxide is a non-flammable gas.<br>Option D: Gold is a precious transition metal.<br><br><b>Exam Trick</b><br>Kerosene is the domestic heating and lighting fraction boiling between 150°C and 275°C.<br><br><b>Final Answer</b><br>Option B — Kerosene.