Basic Chemistry MCQs

GURU MCQs provides MCQs of Chemistry from Basic to Advance, so that you can prepare accordingly. MCQs of Chemistry section covers important topics of chemistry. Most repeated Chemistry MCQs frequently encountered in Inspector, ASI, Sub-inspector, Constable, FPSC, PPSC, ETEA, FIA, Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various other competitive exams, as well as government and private job assessments. Chemistry most repeated MCQs include Basic chemistry MCQs, Chemical Bond MCQs, Gases MCQs, Liquids and Solids MCQs, Hydrocarbons MCQs, Polymerization MCQs, Rates of Reactions MCQs, Transition Elements MCQs, Organic Chemistry MCQs, Electrons in Atoms MCQs, Moles and Equations MCQs, et

261. The radioactive isotope of hydrogen is called___________? 
262. Electron was discovered by? 
263. Sodium carbonate is produced by____________? 
264. Which of the following is a substance?
265. Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________? 
266. All of the following substances are crystalline except_____________? 
267. Covalent network crystals have_____________? 
268. What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called? 
269. Diameter of an atom is in the order of________________?

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