1) The Chemical symbol of lithium bromide is  a) libr b) Li2Br c) LiBr2 d) LiBr e) Li2Br3 f) BrLi 2) The Chemical symbol of lithium sulfide is  a) LiS b) LiS2 c) Li2S d) Li2SO4 e) Li2SO3 f) LiSO4 3) The Chemical symbol of Barium Carbonate is a) BCO3 b) Br2CO3 c) BaCO3 d) BaC e) Ba2(CO3)3 f) Ba3(CO3)2 4) Ammonia a) Am b) Amm c) NH2 d) NH3 e) NH4 f) NO 5) When nitrogen gas combines with hydrogen gas ............................. gas is produced. a) ammonia b) hydrogen c) oxygen d) nitrogen hydride e) hydrogen nitrate f) carbon dioxide 6) When ............. reacts with sodium hydroxide, sodium chloride salt and water a) hydrochloric acid b) chlorine gas c) chloride d) sodium metal e) sodium oxide f) sodium carbonate 7) Decomposing calcium carbonate by heating to produce ............................ and ......................... a) calcium - carbon b) calcium oxide - carbon dioxide c) calcium - carbon dioxide d) calcium carbide - carbon e) calcium oxide - carbon f) calcium carbide - oxygen 8) Combination between aluminum metal and iodine to make ................. a) aluminum iodide b) aluminum iodine c) aluminate iodide d) iodine aluminate e) aluminum iodate f) AlI 9) Reacting magnesium with dilute sulfuric acid to make ....................... and ..................... a) magnesium oxide - water b) magnesium sulfate - water c) magnesium sulfate - hydrogen d) magnesium sulfide - hydrogen e) magnesium sulfite - hydrogen f) magnesium hydride - sulfur dioxide 10) potassium burns in air to form a) potassium oxide b) potassium carbonate c) potassium nitrate d) potassium hydride e) potassium dioxide f) KO3

Yassrin_Chemistry 01

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