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Part of the Human cerebrum with its Various Functions
Central Nervous System. The CNS consists of the brain and the spinal cord. The brain and the spinal cord are protected by the skeleton – brain by the cranium and spinal cord by the the vertebral column. Brain. It is the highest coordinating center in the body. The brain is broadly divided into…
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Types of gland in human body ? Use of gland
Types of gland in Human Body Types of gland in human body 1. Hypothalamus glands is present in brain * It produce ‘releasing hormones’ * It regulates the secretion of hormones from pituitary gland. * They act on specific tissues or organ called target organ’. * They coordinate the activities of the…
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Properties of Ionic Compounds
Properties of Ionic Compounds (i) Ionic Compounds are solids, e.g., NaCl, KCl,CuSO4 ,NaNO3 are solids. (ii) Ionic Compounds are somewhat hard and brittle. It is due to strong force of attraction between them. (iii) Ionic Compounds have closed packed structures, e.g., NaCl has face centred cubic structure. (iv) Ionic compounds have high melting and…
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What is alloys?purpose of alloys
Alloy They are homogeneous mixture of two or more metals.One of them can be non-metal also, e.g., brass is an alloy, of Cu and Zn. Amalgam When a metal is alloyed with mercury,it is called amalgam Purpose…
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Reactivity of Metals with water or acid and salt
Reactivity of Metals All the metals do not react with the same rate. Some react very fast, some react moderately. Whereas others react very slowly e.g., sodium,potassium react with oxygen at room temperature vigorously to form oxide. They can catch fire in presence of moist air. These metals are kept in kerosene oil pr…