Test for Chlorine (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Flashcards
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What type of gas is chlorine?
What type of gas is chlorine?
Toxic gas
What process can produce chlorine gas?
What process can produce chlorine gas?
Electrolysis
Two uses of chlorine
Two uses of chlorine
Disinfectants and bleaching agents
What type of litmus paper is used to test for chlorine?
What type of litmus paper is used to test for chlorine?
Blue litmus paper
What condition should the litmus paper be in for the chlorine test?
What condition should the litmus paper be in for the chlorine test?
Damp (moist but not soaking wet)
What happens to blue litmus paper in chlorine gas
What happens to blue litmus paper in chlorine gas
It is bleached
Colour change of blue litmus paper in chlorine
Colour change of blue litmus paper in chlorine
Blue to white
What chlorine reacts with on damp litmus paper
What chlorine reacts with on damp litmus paper
Water
Acid formed when chlorine reacts with water
Acid formed when chlorine reacts with water
Hydrochloric acid
Why the dye in litmus paper is destroyed
Why the dye in litmus paper is destroyed
Hydrochloric acid destroys it