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Metals and Non-metals (Cleaning of Metal Articles (Articles made of…
Metals and Non-metals
Cleaning of Metal Articles
Articles made of Aluminum
Articles made of Copper
Articles made of Iron
Articles made of Tin
Articles made of Silver
Articles made of Zinc
Advantages and Disadvantages of Using Aluminum for Cooking Utensils
Advantages
Lightweight
Good Conductor of Heat
Inexpensive
Disadvantages
Relatively Soft
Can be corroded by Acids
Aluminum Anodizing to Prevent Corrosion
Do not cook acidic food in aluminum cookware
Uses of Metals and Non-metals
Uses of Metals
Utensils
Machine Components
Electrical Components
Construction
Jewellery (Use of Noble Metals)
Thermometers
Uses of Non-metals
Plastics
Fertilizers
Purification of Water
Rocket Fuel
Welding
Common Uses of Non-metals (Element-wise)
Hydrogen
Rocket Fuel (due to its flammability)
Fuel Cells
Nitrogen
Inert atmosphere
Refridgerant
Fertilizer
Oxygen
Biological Role
Welding and Cutting of Metals
Treatment of Sewage
Carbon
Fossil Fuels
Polymers
Diamond
Cutting Tools
Jewellery
Graphite
Conductor
Phosphorous
Matchboxes
Fertilizers
Chlorine
Disinfectant
Advantages of Alloys
Steel
More corrosion resistant than iron
Harder than iron
More ductile than iron
Brass
Better Strength
Better Corrosion Resistance
Better thermal conductivity
Cheaper
Soft Solder
Low Melting Point
Soft
Good electrical conductivity
Connects Electronic Components
Cools very fast
Properties of Metals and Non-metals
Properties of Metals
Physical Properties of Metals
States of Matter at Room Temperature
Lustre
Hardess
Density
Malleability
Ductility
Electrical and Thermal Conductivity
Magnetic Properties
Chemical Properties of Metals
Reaction with Air
Reaction with Water
Reaction with Acids
pH of Oxides
Reaction with Salts of Other Metals
Reactivity Series
Properties of Non-metals
Physical Properties of Non-metals
States of Matter at Room Temperature
Lustre
Hardess
Density
Malleability
Ductility
Electrical and Thermal Conductivity
Chemical Properties of Non-Metals
Reaction with Air
Reaction with Water
Reaction with Acids
pH of Oxides
Should metalloids be included?
Advantages and Disadvantages of using Plastics
Advantages of Using Plastic
Lighweight
Good Electrical Insulators
Inexpensive
Disadvantages of Using Plastic
Non-biodegradable
Releases harmful gases when burnt
Cannot withstand much heat and deforms easily
Rusting
Causes of Rusting
Corrosion due to reaction of iron with water and air
Prevention of Rusting
Physical Methods
Painting
Oiling or Greasing
Coating with Plastic
Electroplating
Galvanization
Factors that Affect the Rate of Rusting
Humidity
Exposure to Salts
Temperature
Contact with Cathodic Metals
Exposure to Acids