topic: 1. introduction to chemistry subtopic: 1.1.understand
TRANSCRIPT
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TOPIC: 1. Introduction to Chemistry
SUBTOPIC: 1.1.Understand Chemistry and
its important
BY:MISS MASITA BINTI RAMLI
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Most of our food are mixtures of naturally occurring chemical.
For every group, identify the sample is given and their uses in daily life. Use all senses, touch, smell, taste and sight to identify the sample.
You are given 2 minutes to complete your activity.
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CHEMICALCHEMICAL USEUSE
Sugar/sucroseSugar/sucrose food flavouring, preservativefood flavouring, preservative
Vinegar/ acetic Vinegar/ acetic acidacid
food flavouring, preservativefood flavouring, preservative
Salt/sodium Salt/sodium chloridechloride
food flavouring, preservativefood flavouring, preservative
Baking powder/ Baking powder/ Sodium Sodium bicarbonatebicarbonate
baking cake baking cake
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Explain the meaning of Chemistry
List some common chemicals
and their uses in daily life
States the uses of common chemicals in daily life
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List examples of occupations that require the knowledge of chemistry List chemical-based industries in Malaysia
Describe the contribution of chemical-based industries towards the development of the country
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The study of the composition, structure, properties and interaction of matter
Example: water
Composition: Hydrogen(H) and Oxygen(O)
Structure: H2OH
O O
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Anything that occupies space and has mass is matter
Properties: Physical Properties and Chemical Properties
Interaction of matter: covalent bond or ionic bond
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In your group, list as many examples of common chemicals and their uses in our daily lives.
You are given 5 minutes to do so.
Present your list in front of the class and compare it with other groups
Copy down the chemical that are not listed in your note book
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COMMON CHEMICAL AND ITS USES
Polystyrene
Petroleum
Sodium Hydroxide
Ester
Name the chemicals to produce these products.
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COMMON CHEMICAL AND ITS USES
Disposable cup
Lipstick
Soap
Perfume
Polystyrene
Petroleum
Sodium Hydroxide
Ester
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Doctor
Chemist
Biochemist
Treat sick people
Study of properties of matter, chemical structure, effect ofchemicals and perform
analysison chemical
Study chemical processes inliving things
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Pharmacist
ForensicScientist
Geologist
Study medicine and drugs and
their effects
Perform analysis on the crime Objects
Study of chemical substances on earth
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CHEMICAL- BASED INDUSTRIES IN MALAYSIA AND THEIR CONTRIBUTIONS
Perfume vitamin/antibiotic
PVC
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CHEMICAL- BASED INDUSTRIES IN MALAYSIA AND THEIR CONTRIBUTIONSINDUSTRY PRODUCT
cosmetic Perfume, skin lotion
pharmaceutical
Antibiotic, hormone, vitamin
Petroleum Petrol, diesel
metal Steel, pewter, cupronickel
polymer PVC, nylon, rubber
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Chemical industries in Malaysia
UNDERSTANDING TO CHEMISTRY
uses
Chemistry related occupations
importancedefinition