Crosswords Puzzle

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  1. when two or more reactants combine to form a single product is called __reaction
  2. reaction in which heat is released is called __ reaction
  3. a) When single reactant breaks down into simpler product is called __ reaction
  4. b) chemical formula of lead nitrate
  5. Muscular organ of human body
  6. largest vein
  7. full form of ATP
  8. largest artery
  9. a) Line parallel to principle axis passes through
  10. b) Diameter of spherical mirror is called
  11. Capital ‘R’ stands for __ of curvature
  12. If object is placed at focus the image will form at
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