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