SS1 Chemistry – Oxides of Carbon
CONTENT Carbon (iv) oxide Carbon (ii) oxide CARBON (iv) OXIDE The percentage composition of carbon (iv) oxide in the atmospheric air is about 0.03% by volume while in dissolved
Tag: Third Term
SS1 Chemistry – Carbon and Its Properties
CONTENT Occurrence and Allotropes Properties OCCURRENCE It occurs naturally as diamond and graphite. It occurs in an impure form as coal. It occurs in the combined state as
SS1 Chemistry – Hydrolysis of Salt
HYDROLYSIS OF SALT Some salts undergo hydrolysis in water to give an acidic or alkaline medium (solution) e.g. Na2CO3, NaHCO3, AlCl3, Na2S, NH4Cl, CH3COONa, e.t.c. Na2CO3 + H2O
SS1 Chemistry – Acids, Bases, and Salts
CONTENT Definition. Properties. Preparation and uses. pH. Bases Salts Efflorescence, deliquescence and hygroscopic ACIDS Definition: An acid is a substance that in aqueous solution produces hydroxonium ion (H3O+) or
SS2 Biology – Terrestrial Habitat
CONTENT Terrestrial Habitats Marsh Forest Grassland Arid land TERRESTRIAL HABITATS Organisms of the land are called terrestrial organisms. They include plants and animals that are found living on the
SS2 Biology – Aquatic Habitat
CONTENT Habitat (Aquatic habitat) Marine Habitat Horizontal and Vertical Zonation of Marine Habitats Distribution of Organisms and Adaptations to Marine Habitat Estuarine Habitat Freshwater Habitat HABITAT (AQUATIC HABITAT) Habitat