learning materials catalog

Genetic Material - The genetic material is a nucleoprotein called chromatin. It is made up of DNA and prote..

The materials to be transported across the plant body are water, minerals and food. Apart from these nutrients, substances like the hormones also have to be transport..

Matter exists in several phases. If we look at all objects around us, we perceive that some materials have a definite shape and occupy a definite amount of space or volume. We call these materials solids and we can name many objects that are solids. We say that solids have..

Cheap starchy materials like potatoes, maize, barley, rice etc. OR Molasses, a byproduct of sugar indust..

The raw materials for this process are common salt, ammonia and limestone (for supplying CO 2 and quicklime..

Matter and Materials - Matter exists in several phases. If we look at all objects around us, we perceive that some materials have a definite shape and occupy a definite amount of space or volume. We call these materials solids and we can name many objects that are soli..

Matter exists in several phases. If we look at all objects around us, we perceive that some materials have a definite shape and occupy a definite amount of space or volume. We call these materials solids and we can name many objects that are solids. We say that solids have a def..

Metallic surfaces exposed to acid rain are easily corroded. Textile fabrics, paper and leather products lose their material strength or disintegrate by acid rain. Building materials such as limestone, marble, dolomite, mortar and slate are weakened on reaction with acid rains b..

Materials to be transported include digested food, respiratory gases, hormones, excretory products, etc. The digested food includes sugars like glucose, amino acids, fatty acids and their derivatives. Blood which is the vascular tissue in man is over 90% water. Thus, only the water-solub..

Silica (in the form of sand) Compounds of alkali metals, like Na 2 CO 3 , Na 2 SO 4 , NaNO 3 , K 2 CO 3 and KNO 3 . Compounds of alkaline earth metals, like CaCO 3 , CaO, BaCO 3 . (for glass with high refractive index) Oxides of heavy metals, like PbO, Pb 3 O 4 Calcium phosphate, Ca..