The correct option is (D). Tamil Nadu was the first Indian state to make rooftop rainwater harvesting compulsory. This initiative ensures efficient water use, replenishes groundwater levels, reduces water scarcity, and encourages every household to contribute to sustainable water management. cbse ...
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Correct option – D. Assertion A is false — C4H10 is saturated (alkane) while C4H8 (alkene) and C4H6 (alkyne/diene) are unsaturated. Reason R is true because the listed compounds (except C4H10) are unsaturated, so choose option D. cbse sample paper 2025-26 ...
The Central Board of Secondary Education has released the CBSE Sample Paper 2025-26 Class 10 for all subjects on 16th September 2024. These newly released sample papers are available here in PDF for free of cost. Visit Tiwari Academy and ...
Salt became a symbol of unity and defiance because it was an essential commodity used by all, rich or poor. Gandhiji chose it to represent equality and to protest the unjust salt tax imposed by the British government. cbse sample paper ...
(B) Eggs contain fats. Bile from the liver emulsifies fats into small droplets, and pancreatic lipase digests them. (C) Sweet potatoes contain starch. Salivary amylase in saliva begins starch digestion in the mouth. (D) The small intestine contains maximum digested ...