F4 Chemistry Chapter 1

8/9/2019 F4 Chemistry Chapter 1

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Introduction To

Chemistry

Chapter 1

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The Meaning of

Chemistry A study of the composition,

structures, properties and

interaction of matter.

CoSt PrInt

Composition- is amount of chemical in any chemical

product Structure- the arrangement of chemicals in a substance Properties- behaviour of chemical Interaction- the reaction between substances with

another substance



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Composition & Structure



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Chemistry wordoriginates from theArabic word `al-kamiya

Antoine a!oisier"#rench Chemist$founder of modernchemistry


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Matter

is any thing that have mass and canoccupy space

All the thing in the environmentwhether living or non-living thing

are matters.


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Common chemicals used in

daily life Table salt, NaCl

Vinegar, CH3COOH

Calcium carbonate, CaCO3



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The uses of common

chemicals in daily lifeName of

substanceChemicalFormula

Uses

Table salt NaCl As preservatives and

cooking

!inegar C"#C$$" Preservative %or %ruits and%ood %lavourings

Sulphuric acid "&S$' (lectrolyte in car battery

(thanol C&")$" To make alcoholic drinks

Calcium carbonate CaC$# *arble tiles+ calciumsupplement

Sodium

bicarbonate

Na"C$# ,aking powder to raise

doughDownloaded from http://www.pahaikan.synthasite.com


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Contains sodium chloride

Alcohols

Sodium

bicarbonate



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%ccupation & Chemistry

hat do you !ant to do after SPM ? or

after you leave Polytechnic? or

after you leave University?

Chemistry opens the door tomany careers

'n fact( knowledge of chemistry is usefulto almost everyone in every eld



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%ccupation & Chemistry

Transportation Petroleum

Medical Pharmacy

Sports ormula !

Social Service ire "rigade#

$hemistry Teacherertili%er armer



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%ccupation that re)uire theknowledge of chemistry

#orensic scientist

#ood technologist

*octor +eologist

,n!ironmentalscientist

harmacist athologist

.acteriologist

&orticulturalist

$hemical engineer

$osmetic scientist"iochemist'aboratory technician

(utritionistA)ua culturist*tc.



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Chemical based 'ndustries in

Malaysia "etronas

Asean #intulu $ertiliser



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The Contriution of Chemicalased Industries towards the

development of our country

Createjob opportunities

%ncrease export earning&economy' (

support other small industries %mpro)e health and standard of living



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*cienti+c ethod

Scientic method is a systematicmethod used to solve prolems in

science. 't usually done to understand the

phenomena of nature.



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*teps in *cienti+c ethod

*aking observation *aking in%erence Identi%ying problem

*aking hypothesis Identi%ying

variables

Controlling

variables

Planning an

e-periment

Collecting data Interpreting data

*aking conclusion .riting report

1 & #

/)'

7 0

1112



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Terms in Scienti/cMethod

%bser!ation 0 !atheringinformation using ve senses"sight# hearing# smell# taste andtouch

'nference0 Making a smart guessor a tentative e$plaination aoutthe phenomenon ased on the

oservation 1ypothesis0 Making general

statement aout the relationshipetween a manipulated varialeand a responding variale inDownloaded from http://www.pahaikan.synthasite.com


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Terms in Scienti/cMethod

2ariables- Manipulated, respondingand xed variables

3ecord data- Record in a table

'nterpreting data- Organising andanalysing data

Conclusion- Making statement about

the outcome of the experiment 4riting report- Communicating the

details of the experiment to spread

and nd benet to the ndings.Downloaded from http://www.pahaikan.synthasite.com


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4riting 3eport &'ormat(

(ame+ ,ate+Title+ $lass+

Aim+

Problem statement+

&ypothesis+

ariables+a/ Manipulated variable+b/ 0esponding variable+c/ i1ed variable+

Materials and Apparatus+

Procedure+

Tabulation of ,ata+

,iscussion+

$onclusion+



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5%., 2A6, A5*SC',5T'#'C ATT'T6*,S

%b7ecti!ely

Carefully

atiently

3ational

Critical

Analytical 3iligent Persevering

F4 Chemistry Chapter 1

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