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Team 2
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Teams
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15
×
What is the effect of adding aqueous ammonia to the iron (II) ion?
green ppt., insoluble in excess, ppt. turns brown near surface on standing
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10
×
What is the colour of the flame test for calcium?
orange-red
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10
×
What is the test for oxygen?
relights a glowing splint
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15
×
What is the effect of adding aqueous ammonia to the calcium ion?
no ppt. or very slight white ppt
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baam
Lose 15 points!
Oops!
×
shark
Other team loses 15 points!
Okay!
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shark
Other team loses 20 points!
Okay!
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banana
Go to last place!
Oops!
10
×
What is the colour of the flame test for sodium?
yellow
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10
×
What is the test for sulfur dioxide?
turns acidified aqueous potassium manganate(VII) from purple to colourless
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lifesaver
Give 20 points!
Oops!
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magnet
Take 15 points!
Okay!
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shark
Other team loses 5 points!
Okay!
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baam
Lose 20 points!
Oops!
15
×
What is the effect of adding NaOH solution to the iron(II) ion?
green ppt., insoluble in excess, ppt. turns brown near surface on standing
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15
×
What is the effect of adding NaOH solution to the chromium(III) ion?
green ppt., soluble in excess
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15
×
What is the test and result for nitrates?
Add aqueous sodium hydroxide, then aluminium foil; warm carefully. Ammonia produced
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15
×
What is the effect of adding NaOH solution to the calcium ion?
white ppt., insoluble in excess
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10
×
What is the colour of the flame test for barium?
light green
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×
heart
Other team wins 25 points!
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seesaw
Swap points!
Okay!
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gift
Win 10 points!
Okay!
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banana
Go to last place!
Oops!
15
×
What is the test and result for sulfates?
acidified barium nitrate, white ppt.
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15
×
What is the effect of adding NaOH solution to the aluminium ion?
white ppt., soluble in excess, giving a colourless solution
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