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in Chemistry Form 1 by

The figure shows a set-up by a form three student to prepare a certain gas
         figure showing set up for certain gas

  1. Write an equation for the formation of gas K 
  2. Give one use of gas K in the industries
  3. Give one use of the resulting solution after the metal has reacted 

1 Answer

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  1. Ca(s) +2H2O(l) → Ca(OH)2(aq) + H2(g)
    1. Welding
    2. Manufacture of HCL acid
    3. Hardening of vegetable oil into margarine
    4. Manufacture of Ammonia gas
  3. Test for Carbon IV oxide

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