Halogens - 4


1. Matching Items: Click the correct match for .... Sodium chlorate




2. Matching Items: Click the correct match for .... Sodium hypochlorite




3. Matching Items: Click the correct match for .... Manufacture PVC plastic




4. Matching Items: Click the correct match for .... Cleans sanitary wares



5. Matching Items: Click the correct match for .... Bleach wood pulp



6. Matching Items: Click the correct match for .... Identify the halide ion




7. Matching Items: Click the correct match for .... COCl2




8. Matching Items: Click the correct match for .... CHCl2



9. Matching Items: Click the correct match for .... H3PO3



10. Matching Items: Click the correct match for .... CH2Cl2




11. The elements of VII group of the periodic table are generally called________.


12. Halogens occur as ________ both in the earth's crust and in sea-water.


13. The colour of chlorine gas is ________.


14. Chlorine oxidizes an aqueous solution of ferrous chloride to ________.


15. Chlorine reacts with dilute alkali in cold state to form _________ and chlorides.





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