Showing posts from June, 2019
Evaporation Changing of a liquid into gas at any temperature, bellow it's boiling point is called evaporation. It's a surface phenomenon. Factor effecting on evaporation 1- Increasing surface area -> increases evaporation 2- Increasing temp…
Evaporation Changing of a liquid into gas at any temperature, bellow it's boiling point is called evaporation. It's a surface phenomenon. Factor effecting on evaporation 1- Increasing surface area -> increases evaporation 2- Inc…
Melting point The temperature at which solid melt to liquid at atmospheric pressure. Melting process also known as fusion. Letent heat of fusion The amount of heat required to change 1 kg solid to it's liquid state,at it's melting point and at…
Melting point The temperature at which solid melt to liquid at atmospheric pressure. Melting process also known as fusion. Letent heat of fusion The amount of heat required to change 1 kg solid to it's liquid state,at it's melting po…
States of matter 1. Solid Solid have definite shape, volume, distinct boundaries, rigidity, incompressibility. 2. Liquid No definite shape but have definite volume,no distinct boundaries, low compressibility, have fluidity. 3. Gas No definite shape,n…
States of matter 1. Solid Solid have definite shape, volume, distinct boundaries, rigidity, incompressibility. 2. Liquid No definite shape but have definite volume,no distinct boundaries, low compressibility, have fluidity. 3. Gas No de…
Matter - Anything that occupies space and has mass and it's felt by sense organs like eye ear skin, is is called matter. Matter is is made up of particles Example- books,pen, iron, air. Physical nature of particles - - matter is made up of par…
Matter - Anything that occupies space and has mass and it's felt by sense organs like eye ear skin, is is called matter. Matter is is made up of particles Example- books,pen, iron, air. Physical nature of particles - - matter…