Correct option – B. When excess CO₂ passes through limewater, the initially formed insoluble calcium carbonate (which causes milkiness) reacts further with CO₂ and water to form soluble calcium bicarbonate, clearing the milkiness from the solution completely. cbse sample paper 2025 ...
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The CBSE 2025–26 exam pattern includes MCQs, short answers, long answers, and case-based questions. For complete understanding and solved examples, Tiwari Academy provides detailed PDFs and guidance to help students score above 95% marks.
Yes, CBSE has published the Class 10 Science Sample Paper 2025. Students can download it from CBSE’s official website or Tiwari Academy, which provides free PDFs, detailed solutions, and exam strategies to help students score 95% or higher.
Cross: RRyy × rrYY → F₁: RrYy (round yellow). On self-pollination, F₂ shows 9:3:3:1 ratio (round yellow : round green : wrinkled yellow : wrinkled green) due to independent assortment of genes. cbse sample paper 2026 cbse sample paper 2025-26 class 10