Types of Chemical Reactions By Neel Jaswanth 10L 42070

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Across
  1. 4. A reaction in which one reactant gets oxidised while other gets reduced is called a _______________.
  2. 7. A substance in a redox chemical reaction that gains or accepts or receives an electron from a reducing agent is called an _________________.
  3. 8. A reaction in which a single substance decomposes to give two or more substances is called _________________________.
  4. 9. A chemical reaction in which an element displaces another element from its solution is called ______________________________.
  5. 10. A reaction in which a single product is formed from two or more reactants is called __________________________.
  6. 12. A chemical reaction in which two different atoms or group of atoms are mutually exchanged is called a ___________________________.
  7. 13. When a metal is attacked by substances around it such as moisture, acids etc. It is called ________________.
  8. 15. An insoluble substance formed along with the formation of a product in a chemical reaction is known as a ___________________.
  9. 16. Reactions in which energy is absorbed are called ________________________.
  10. 18. Any reaction that produces a precipitate is known as a __________________.
  11. 19. What are added to foods containing fats and oils? _______________.
  12. 20. Decomposition reaction that is carried out by electric current is called ___________________________.
Down
  1. 1. A substance that speeds up a chemical reaction is called ________________.
  2. 2. Decomposition reaction that is carried out by light is called ______________________________.
  3. 3. Reactions in which heat is released along with the formation of products are called ___________________________.
  4. 5. The gain of oxygen or loss of hydrogen is known as ___________________.
  5. 6. Decomposition reaction that is carried out by heating is called ________________________________.
  6. 11. When fats and oils are oxidised they become rancid and their smell and taste change. This is called _____________.
  7. 14. The loss of oxygen or gain of hydrogen is known as ________________.
  8. 17. A series of metals based on their reactivity from highest to lowest is called ____________________.