Q1. [1] § 2.1 UNDERSTANDING THE CHEMICAL PROPERTIES OF ACIDS AND BASES § 2.4 MORE ABOUT SALTS
Answer the following : Categorise the following based on their nature : ZnO, Na₂O, CO₂
Previously asked in CBSE board exam
2026 31/1/1 Q25 (b)
Generated by claude-sonnet-4-6 · 2026-06-15 06:42 · grounding rag
Model Answer
ZnO — amphoteric oxide; Na₂O — basic oxide; CO₂ — acidic oxide.
Explanation
Examiners expect all three categorised correctly in one line. ZnO reacts with both acids and bases (amphoteric); Na₂O is a metal oxide (basic); CO₂ is a non-metal oxide (acidic). No explanation needed for 1 mark.
If a question refers to an image, map, graph or diagram that is not shown here, find the actual CBSE question paper on the CBSE website:
cbse.gov.in.