Chemistry (Amit Yadav roll no.3)

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Across
  1. 2. used for white washing of wall
  2. 6. gas obtained on anode in electrolysis of water
  3. 8. burning of natural gas
  4. 10. which reaction took place during a chemical change
Down
  1. 1. which reaction took place in zn+h2so3-zmso4+H2
  2. 3. because of which type of reaction silver chloride changes to gray
  3. 4. colour of silver chloride
  4. 5. the reaction in which two reactant combine
  5. 7. colour of the precipitate in pb(No3)2+ki
  6. 9. the colour of magnesium oxide