Which of the following pairs of products 11 obtained from petroleum distillation and their uses are correctly matched? 1. Petroleum ether : Used as solvent 2. Petroleum jelly : Used to make coating of metals 3. Petroleum wax : Used as rubber solvent 4. White spirit : Used… | UPSC CAPF 2026 Q No 108

Accepted Answer: (B) 1 and 2

Topic Covered: Chemistry and Energy

Key Concept: Chemical properties, fuels, petroleum and oxidation states

The correct choice follows from the standard scientific definition or process involved. “1 and 2” matches the relevant biological, ecological, chemical or energy concept, while the alternatives conflict with the core principle.

The key is to apply the central fact, formula, definition or relationship tested in the question and then eliminate alternatives that do not satisfy it.