(I) Combustion: C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O (II) Dehydration: C₂H₅OH →[conc. H₂SO₄, 443 K] C₂H₄ + H₂O (III) Oxidation: C₂H₅OH + [O] → CH₃CHO + H₂O (using acidified K₂Cr₂O₇) CBSE Sample Paper Class 10 Science 2025-26 Tiwari Academy provides CBSE Class 10 ...
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Both A and B are true but R is not the correct explanation of A. Baking soda is used in Soda acid fire extinguishers because it release is carbon dioxide gas upon reaction with H2SO4. CO2 helps put out fire ...
(a) In the F1 generation, all seeds will be round and yellow, as round (R) and yellow (Y) are dominant traits. (b) F2 generation shows the following combinations: Round Yellow, Round Green, Wrinkled Yellow, Wrinkled Green, Ratio = 9 : ...
Plants synthesize their own carbohydrates, proteins and fats using sunlight, water, carbon dioxide and minerals through photosynthesis and other metabolic processes, unlike humans who must ingest them. Tiwari Academy provides CBSE Class 10 Sample Papers 2025-26 CBSE Sample Paper Class 10 Science ...
Decomposers in an ecosystem break down dead plants and animals, converting complex organic materials into simpler inorganic forms like carbon dioxide, water, and minerals, which can then be reused by producers in the ecosystem. Correct answer: (C) Download cbse sample paper ...