Chemistry - Single MCQs (Page 26)

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Q251. Most acidic among following is ?...Q252. Halogens react with metals to form ?...Q253. Oxide of aluminum is ?...Q254. As compare to beryllium, magnesium is ?...Q255. Bromine is a non-metal in ?...Q256. As size of atom increases down group, electro positivity ?...Q257. Elements which have properties of metals and non-metals are ?...Q258. Sodium metal is soft due to ?...Q259. As we move across period from left to right, reactivity of metals with oxygen ?...Q260. As we move across period electronegativity ?...