Tuesday, August 29, 2017

CBSE Class 10 - Chemistry - Metals and Non-Metals - Alloys Their Compositions and Uses (#cbseNotes)

Alloys - Compositions, Properties and Uses

CBSE Class 10 - Chemistry - Metals and Non-Metals - Alloys Their Compositions and Uses (#cbseNotes)


Steel
Components: Iron, Carbon

Properties: Hard and Strong

Uses:
- Construction of buildings and bridges,
- manufacture of ships
- manufacture of spare parts for automobiles








CBSE Class 10 - Chemistry - Metals and Non-Metals - Alloys Their Compositions and Uses (#cbseNotes)


Stainless Steel

Components: Iron, Nickel, Chromium

Properties: Air, Water and alkali do not affect and do not get corroded.

Uses:
- manufacture of utensils
- manufacture of blades, surgical instruments



CBSE Class 10 - Chemistry - Metals and Non-Metals - Alloys Their Compositions and Uses (#cbseNotes)


Brass

Components: Copper, Zinc

Properties: Malleable, Strong, Corrosion resistant and can be easily shaped.

Uses:
- manufacturing cooking utensils
- machine parts
- musical instruments


CBSE Class 10 - Chemistry - Metals and Non-Metals - Alloys Their Compositions and Uses (#cbseNotes)

Bronze

Components: Copper, Tin

Properties: Stronger and corrosion resistant

Uses:
- Statues making
- Coins and medals




Magnalium

Components: Aluminium, Magnesium

Properties: Very light and hard

Uses:
- Manufacturing scientific instruments,
- Prepartion of Balance and light instruments



CBSE Class 10 - Chemistry - Metals and Non-Metals - Alloys Their Compositions and Uses (#cbseNotes)


Duralium

Components: Aluminium, Copper and Magnesium in trace proportions

Properties: Light, Strong and corrosion resistant

Uses:
- Preparation of air planes
- Preparation of pressure cookers

CBSE Class 10 - Chemistry - Metals and Non-Metals - Alloys Their Compositions and Uses (#cbseNotes)


Nichrome

Components: Nickel, Chromium and Iron (traces)

Properties: High Melting Point, Ductile, Does not oxidise at high temperature

Uses:
- Used in iron and heaters as main heating element
- Electric matches and Rocket igniters
- Used with ceramic to prepare clay sculptures


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