Lesson 17 of 18 • 0 upvotes • 13:59mins
Metals react with air ,water ,dilute acids and also with non-metals. Some metals when exposed to the atmosphere corrode. Iron goods can be prevented from corrosion by painting, greasing, galvanizing etc.
18 lessons • 3h 53m
Atomic Structure.
13:44mins
Matter.
11:49mins
Types of Cells.
13:15mins
Cell Biology
11:39mins
Cell Structure
13:08mins
Solutions
14:12mins
Heat and Temperature.
11:54mins
Laws of Heredity.
12:45mins
Diffusion and Osmosis.
12:34mins
Motion and it's types.
11:30mins
Laws of Motion.
12:59mins
Universal Law of Gravitation.
11:17mins
Chemicals in daily life.
14:08mins
Pure and Impure substances.
14:03mins
Metals ,non-metals and Metalloids.
13:46mins
Extraction of metals- Metallurgy.
13:50mins
Metals - properties.
13:59mins
Alloys and their uses.
12:36mins