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General Thoughts: Science (1 Viewer)

Queenroot

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far out looking at this forum, i have already lost a solid 5 marks in the MC, although the one word response/long response questions should compensate as im expecting near 45/50 for them combined.
Agree !
 

RivalryofTroll

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If there's any Ruse kids lurking out there, how did you guys find both exams? (Too easy, easy or sleep-worthy?)
 

such_such

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RivalryofTroll

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you never need to out a balanced chemical equation in the school certificate, only in the HSC, so the correct answer is KOH
I was talking about the precipitation question not about KOH (potassium hydroxide) I think
 

tobbinator

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No one's potassium Hydroxide answer can be as bad as mine...

K(OH)3
 

onedirection

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what did you guys get for the um... powder mixed with liquid and turns into a milky(?) substance and has the bubbles in it?
 

Lina3

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what did you guys get for the um... powder mixed with liquid and turns into a milky(?) substance and has the bubbles in it?
I had CO2 as the gas that was in it and then the acid+carbonate reaction as the 2nd answer for that...but not sure
 

RealiseNothing

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what did you guys get for the um... powder mixed with liquid and turns into a milky(?) substance and has the bubbles in it?
I did hydrogen since the liquid was clear so it can't be CO2. Then was an acid+metal = salt + hydrogen reaction.
 
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limewater and CO2. Got lucky with that. =D Although I knew it was either hydrogen or CO2.
 

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