Group 7 Flashcards

1
Q

What colours and physical states are chlorine, bromine and iodine at room temperature

A

Chlorine: Gas - Yellow and Green
Bromine: Liquid - Deep Red
Iodine: Solid - Grey

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2
Q

Describe the chemical test for chlorine

A

Hold a piece of damp blue litmus paper over the chlorine, chlorine will bleach the litmus paper which turns white.

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3
Q

Which has a higher melting point? Chlorine, Bromine

A

Bromine

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