- METALS AND NONMETALS. ppt download
- Metals and non metals
Materials metals and nonmetals pptx
Best conductors are silver and copper. No notes for slide. They are called amphoteric oxides. Pour some boiled distilledwater in test tube 2 and pour some oil over it to prevent air into the test tube. Eg :- Aluminium oxide, Zinc oxide etc.
CHAPTER - 4 MATERIALS: METALS AND NON METALS - PowerPoint PPT Presentation. To view this presentation, you'll need to allow Flash. Click to allow.
METALS AND NONMETALS. ppt download
CHAPTER - 4 MATERIALS: METALS AND NON METALS. CHAPTER - 4 MATERIALS: METALS AND NON METALS - PowerPoint PPT Presentation. Like. Some elements show properties of both metals and non metals. Metals and Non-Metals, Science, Class 8.
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Short Notes - Materials: Metals and Non-Metals, Science, Class 8. Doc | 4 Pages.
They are called amphoteric oxides. Show related SlideShares at end. Metals,Nonmetals and Metalloids. Browse by Genre Available eBooks Published on Aug 8, Views Total views.
Non metals are soft. (except diamond which is the hardest natural substance)• Non metals do not have lustre.(except iodine cryatals)• Non. Notice the difference between the appearance of the metals and nonmetals.
hot touches a non-metal, the energy does not move quickly through the material.
Gangue :- is the impurities present in the ore like rock particles, sand particles, clay particles etc. Ore :- is a mineral from which metals can be extracted profitably. Eg :- Steel — iron, carbon Stainless steel — iron, carbon, cobalt, nickel Brass — copper, zinc Bronze — copper, tin Solder — Lead, tin used for welding electrical wires together If one of the metals in an alloy is mercury, it is called an amalgam.
Eg :- Aluminium oxide, Zinc oxide etc. Download presentation.
The nails in test tube 2does not rust because it had only water and no air.
From Structure to Properties; Processing Materials; Selecting Materials. The Materials Elements are divided into two groups- metals and nonmetals. Of the
Embed Size px. Non oxide ores can be converted into oxide formby roasting or calcination. They are called amphoteric oxides. Eg :- Aluminium oxide, Zinc oxide etc.
Video: Materials metals and nonmetals pptx Metals and Non Metals Class 8 Science explanation, question answers in Hindi, CBSE NCERT
Eg :- When electric current is passed through molten sodium chloride, sodium metal is deposited at the cathode and chlorine gas is deposited at the anode.