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Chemical Reactions and Equations Quiz 3

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10 Questions

Popular Questions In Chemical Reactions and Equations Quiz 3

  • When corrosion of silver occurs black coating appears. The black coating indicates ……………

  • CaO+H2OCa(OH)2+QCaO+H_2O\longrightarrow Ca(OH)_2\longrightarrow+ Q (heat energy) The above reaction is an example of ……………

  • Zn+2HClZnCl2+H2Zn+2HCl\longrightarrow ZnCl_2+H_2 The above reaction is an example of ……………

  • Rising of dough with yeast depends on ……………… of sugars to carbon dioxide and water.

  • Which of the following one is hard and does not rust?

  • To slow down which of the following, we keep the food in air-tight containers?

  • Precipitate in a reaction is indicated by which arrow mark?

  • Calcium hydroxide is a ………………….. solution.

  • Unbalanced equation is called

  • A chemical equation, which contains the same number of atoms of different elements on reactant side and product side is