Category: R S Aggarwal General Science MCQs for Railway Exam

R S Aggarwal General Science : MODEL SET – 4

R S Aggarwal General Science MCQs for Railway Exam Model Set - 4 (Atom, Radioactivity and Nuclear Science) 1) Which among the following is a positively charged particle emitted by a radioactive element? (a) Alpha ray                (b) Beta ray (c) Gamma ray             (d) Cathode ray 2) Nuclear fission is caused by the impact of (a) … Continue reading R S Aggarwal General Science : MODEL SET – 4

R S Aggarwal General Science : Model Set-3

R S Aggarwal General Science MCQs for Railway Exam MODEL SET -3 (Elements, Metals & Compounds) 1) Monazite is an ore of (a) iron (b) titanium (c) thorium (d) zirconium 2) Which of the following is not correctly matched?      Element                    Symbol (a) Antimony                  - Sb … Continue reading R S Aggarwal General Science : Model Set-3

R S Aggarwal General Science : Model Set-2

R S Aggarwal General Science MCQs for Railway Exam MODEL SET -2 (Elements, Metals & Compounds) 1) The filament of an electric bulb is made of (a) iron (b) nichrome (c) tungsten (d) graphite 2) Bleaching powder is made from (a) sulphur dioxide and gypsum (b) chlorine and charcoal (c) soda ash and lime (d) … Continue reading R S Aggarwal General Science : Model Set-2

R S Aggarwal General Science : Model Set -1

R S Aggarwal General Science MCQs for Railway Exam MODEL SET -1 (Elements, Metals & Compounds) 1. Which of the following is the lightest metal? (a) Mercury (b) Silver (c) Lithium (d) Lead 2. The most important ore of aluminium is (a) bauxite ( b)calamine (c) calcite (d) galena 3. The element present in the … Continue reading R S Aggarwal General Science : Model Set -1