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CHEMISTRY FORM 4
CHAPTER 1 INTRODUCTION
TIME : 830 – 1000 PM
WELCOME TO THE WORLD OF CHEMISTRY.
1.1 What is Chemistry?
Chemistry - is the stud !" the #!$%!siti!&' st(u#tu(e'
%(!%e(ties )&d
i&te()#ti!&s !" $)tte(*
Area that require Chemistry !"#$e%&e ' Pet(!+ue$'
e+e#t(i#)+' te#h&!+!,'
%(!du#ti!& et#*
() Ca! y"u $ist "ut s"me *hemi*a$s that *a! +"u!% easi$y at "ur
h"me?
1., S*ie!ti+i* Meth"%
Ste%s i&-!+-ed i& ) s#ie&ti"i# $eth!d:
1. M)/i&, Ose(-)ti!&s usi&, !u( "i-e se&ses
2si,ht' he)(i&,' s$e++' t)ste )&d
t!u#h.
. M)/i&, I&"e(ee ) s$)(t ,uess $)de )sed !& !u(
!se(-)ti!&
3. Ide&ti"i&, %(!+e$ #ritte! i! a +"rm "+ a questi"!
? )sed !& the
i&"e(ee $)de
4. M)/i&, h%!thesis ) ,e&e()+ st)te$e&t )sed !&
the (e+)ti!&shi% etee&
) ma!i/u$ate% 0aria$e )&d ) res/"!%i!& 0aria$e*
5. Ide&ti"i&, -)(i)+es $)&i%u+)ted'
(es%!&di&, )&d #!&st)&t 2"i6ed. -)(i)+es
t! test the h%!thesis $)de
7. C!&t(!++i&, -)(i)+es de#idi&, !& h! t!
$)&i%u+)te the #h!se& -)(i)+e'
h)t t! $e)su(e )&d h! t! /ee% ) "i6ed -)(i)+e
#!&st)&t
. P+)&&i&, )& e6%e(i$e&t de#idi&, h)t
$)te(i)+s 9 )%%)()tus t! use
%(!#edu(e !" )& e6%e(i$e&t $eth!d !" #!++e#ti&, d)t)
)&d )s t! )&)+se )&d
i&te(%(et the d)t)
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8. C!++e#ti&, d)t) $)/i&, !se(-)ti!&s )&d
$e)su(e$e&ts* (e#!(d the$ i& )
"!($ !" ) t)+e*
;. I&te(%(eti&, d)t) !(,)&isi&, )&d
)&)+si&, ) d)t) 2,()%h' #h)(ts.
10. M)/i&, #!+usi!& $)/i&, ) st)te$e&t )!ut the
!ut#!$e !" the
e6%e(i$e&t )&d hethe( the h%!thesis is
)##e%ted(iti&, ) (e%!(t
