Organic Chemistry
The collection includes hydrocarbons, alcohols, polymers, organic acids, explosive substances, fuels, and related organic chemistry topics. 280. Unsaturated hydrocarbons usually produce: [RRB…
The collection includes hydrocarbons, alcohols, polymers, organic acids, explosive substances, fuels, and related organic chemistry topics. 280. Unsaturated hydrocarbons usually produce: [RRB…
Non-metals: Carbon and its forms, Hydrogen and its compounds, Sulphur, Nitrogen, Halogens, Inert Gases, and Acids, Bases and Salts. 180. When hydrochloric…
Q80. Which of the following is NOT one of the belts of iron ore deposits in India? [SSC Selection Post (Graduate Level),…
Q35. Which chemical weathering process occurs when atmospheric or soil carbon dioxide dissolves in water? [RRB NTPC Graduate Level CBT-II, 10 July…
50. Which of the following is NOT an example of a colloid? [RRB Group D, 25 Aug 2026, Shift 2] (A) Milk…
50. Which of the following phenomena is explained by Bohr’s model? [RRB Group D — 14 Aug 2026, Shift 1] (A) Rutherford…
Q100. Consider the following inventor–invention pairs: 1. Flying shuttle loom — John Kay; 2. Water frame — James Hargreaves; 3. Spinning jenny…
Q150. On 11 January 2026, DRDO successfully tested which third-generation fire-and-forget missile capable of top attack against moving targets? [DSSSB MTS, 26…
Q292. Which generation of computers employed microprocessors as its defining hardware technology? [UPSC CDS 2026 (General Knowledge)] Answer: C. Fourth generation Explanation:…