Physics

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Across
  1. 6. Which reaction is opposite reaction of combination.
  2. 8. Which mirror is used to concentrate sunlight to produce heat.
  3. 9. Which type of reaction is releases the heat.
  4. 10. 2HCL+ZN-ZNCL2+H2.
Down
  1. 1. What is the chemical name of MG.
  2. 2. which reaction combain two or more substance it forms new single substance.
  3. 3. Which type of reaction produce insoluble salts.
  4. 4. what is the SI unit of power of a lens.
  5. 5. which reaction is absorbed the heat.
  6. 7. where is light passes speed 3×10⁸ ms-¹.