Chemical Reactions and Equations - Owais Khan

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Across
  1. 3. : M g + 2 H C l → M g C l 2 + H 2.
  2. 5. Reaction: also known as a synthesis reaction in chemistry
  3. 7. : substance made up of different elements joined together by a chemical bond.
  4. 11. : process by which electric current is passed through a substance to effect a chemical change.
  5. 14. : addition of Oxygen
  6. 15. : CaCO₃
  7. 16. : any chemical reaction that absorbs heat from its environment.
  8. 18. : H₂O
  9. 19. : A nonmetallic element that makes up about 78 percent of the atmosphere by volume, occurring as a colorless, odorless gas.
  10. 20. :Ca(OH)₂
Down
  1. 1. : loss of Oxygen in a reaction.
  2. 2. Reaction :a reaction in which a compound breaks down into two or more simpler substances
  3. 4. : PbO
  4. 6. : Formation of insoluble substance
  5. 8. : chemical element of the alkali metal group,very soft silvery-white metal.
  6. 9. : an equation where the number of atoms of each type in the reaction is the same on both reactants and product sides.
  7. 10. : a round bottomed crucible shaped dish which is made of porcelain used for the chemical reactions
  8. 12. : it is the third-most abundant element in the universe
  9. 13. : a chemical reaction that releases energy by light or heat.
  10. 17. : chemical substances that react together to form a new substance during a chemical reaction.