📚 CBSE Grade-10 Study Guide
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Science (086) — AI-generated practice question

AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.

Q1. [1] straightforward initial-understanding
What type of compound is formed when hydrogen is added to an unsaturated hydrocarbon? Name one catalyst used for this reaction.
Generated by claude-sonnet-4-6 · 2026-06-26 01:06 · grounding rag
Model Answer

A saturated hydrocarbon is formed. One catalyst used is nickel (Ni).

Explanation

The examiner expects two points: (1) product type — saturated hydrocarbon, and (2) one catalyst — nickel or palladium. Both fit in one line for 1 mark. Palladium is also acceptable.

Previous-year CBSE Grade 10 board exam questions, organised by subject and chapter, each with a model answer — free to read and print.