Please give full answer 20 point questions
write the chemical name and common name and two use of each
(1)CaSO4 1/2 H2o
(2)CaCl2
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CaSO4. 1/2 H20 is plaster of paper of calcium hemi hydrate
Used for supporting fracuturd bone and making toys or fall celwing
CaOCl2 is calcium oxy chloride of blraching powder
Uses in paper and wool industry and curing hardness of water
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