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Author Topic: Just came back from Chemistry Paper 1  (Read 3779 times)

Offline adrian1993

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Re: Just came back from Chemistry Paper 1
« Reply #15 on: May 25, 2010, 06:37:47 pm »
I did variant 2 and screwed up like 4 questions that I know of.
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Offline Bleasthzzz

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Re: Just came back from Chemistry Paper 1
« Reply #16 on: May 25, 2010, 07:17:40 pm »
i did variant 2 and think its not too bad   :-\
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Offline Ukhti-R

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Re: Just came back from Chemistry Paper 1
« Reply #17 on: May 25, 2010, 07:59:21 pm »
Please do not discuss the exam until 24 hours have passed.

Thank you.
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Offline igext

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Re: Just came back from Chemistry Paper 1
« Reply #18 on: May 26, 2010, 06:22:52 am »
Guyz was it galvanising or stainless steel for the pans and hospital stuff....?
I think its galvanising because steel is not a method of rust prevention
Any views?
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Offline Got Tech? GO TECH

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Re: Just came back from Chemistry Paper 1
« Reply #19 on: May 26, 2010, 07:56:25 am »
it was in winter 2000, the question was asked, check the paper, and look at the mark scheme, it was stainless steel
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holtadit

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Re: Just came back from Chemistry Paper 1
« Reply #20 on: May 26, 2010, 08:05:56 am »
Quote from: igext on May 26, 2010, 06:22:52 am
Guyz was it galvanising or stainless steel for the pans and hospital stuff....?
I think its galvanising because steel is not a method of rust prevention
Any views?

STeel = ALLOY

ALLOY = NO RUST
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Offline Got Tech? GO TECH

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Re: Just came back from Chemistry Paper 1
« Reply #21 on: May 26, 2010, 08:13:26 am »
Quote from: Ari Ben Canaan on May 26, 2010, 08:05:56 am
STeel = ALLOY

ALLOY = NO RUST

precisely.
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Offline haris94

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Re: Just came back from Chemistry Paper 1
« Reply #22 on: May 26, 2010, 08:37:34 am »
Quote from: igext on May 26, 2010, 06:22:52 am
Guyz was it galvanising or stainless steel for the pans and hospital stuff....?
I think its galvanising because steel is not a method of rust prevention
Any views?

it was stainless steel.............im sure
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Offline -Cornea

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Re: Just came back from Chemistry Paper 1
« Reply #23 on: May 26, 2010, 11:31:27 am »
and tht question about arrows going up can't remember it actually :s was it exothermic or endothermic! Hi everyone :P ! if it is exothermic i love you all:P and f it is endothermic i can't do anything:s=D
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Offline khaled bugs

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Re: Just came back from Chemistry Paper 1
« Reply #24 on: May 26, 2010, 01:09:12 pm »
Quote from: Pink Princess on May 26, 2010, 11:31:27 am
and tht question about arrows going up can't remember it actually :s was it exothermic or endothermic! Hi everyone :P ! if it is exothermic i love you all:P and f it is endothermic i can't do anything:s=D
which one?
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Offline lmfao

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Re: Just came back from Chemistry Paper 1
« Reply #25 on: May 26, 2010, 01:20:41 pm »
i got it as endothermic
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Offline khaled bugs

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Re: Just came back from Chemistry Paper 1
« Reply #26 on: May 26, 2010, 02:11:16 pm »
Quote from: Pink Princess on May 26, 2010, 11:31:27 am
and tht question about arrows going up can't remember it actually :s was it exothermic or endothermic! Hi everyone :P ! if it is exothermic i love you all:P and f it is endothermic i can't do anything:s=D
i think it is endo because it is evaporation
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Offline J.Darren

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Re: Just came back from Chemistry Paper 1
« Reply #27 on: May 26, 2010, 03:36:56 pm »
The cloud one right ? Endothermic and heat takes in. Energy is required to overcome the forces of attraction in liquid.
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Offline -Cornea

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Re: Just came back from Chemistry Paper 1
« Reply #28 on: May 26, 2010, 05:09:18 pm »
I got exothermic because heat is given out:s i saw the arrows out i mean was there any way of heat given out:D
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