Proof:
AG||BE (given) GE||AB (by construction) AGEB is a parallelogram But AB=BC (given) From (i) and (ii), GE=EH Now compare triangles GED and EFH, GE=EH (proved) Hence the theorem is prove..
AG||BE (given) GE||AB (by construction) AGEB is a parallelogram But AB=BC (given) From (i) and (ii), GE=EH Now compare triangles GED and EFH, GE=EH (proved) Hence the theorem is prove..Testes
The male reproductive system comprises of a pair of testes that are present in a thin-walled sac called the scrotum . The scrotum is contained within the abdominal cavity in the embryonic stage. Shortly before birth, they come down and remain outside throughout life. This is because t..
The male reproductive system comprises of a pair of testes that are present in a thin-walled sac called the scrotum . The scrotum is contained within the abdominal cavity in the embryonic stage. Shortly before birth, they come down and remain outside throughout life. This is because t..Testes
The testes are the male organs of reproduction where sperms are formed and the male sex hormone- testosterone , produced. These are secreted from groups of interstitial cells, or Leydig cells, present in the connective tissue between the sperm-producing seminiferous tubules, under the s..
testes
The male reproductive system comprises of a pair of , the duct system, associated glands and a mating organ, penis..
Test Cross
Test Cross - Mendel devised a system of conducting verification for the results obtained by him. It is known as test cross. It is a cross between F1 plant and the recessive parent. A test cross-conducted for the monohybrid inheritance results in the two opposite charac..
Test Cross - Mendel devised a system of conducting verification for the results obtained by him. It is known as test cross. It is a cross between F1 plant and the recessive parent. A test cross-conducted for the monohybrid inheritance results in the two opposite charac..Tests for Chlorine
Tests for Chlorine - 1. Chlorine is a greenish yellow gas with a pungent and irritating odor. 2. It turns wet blue litmus paper red and then bleaches it. 3. Colored petals and the leaves of plants can be bleached by it. 4. Chlorine turns wet starch potassium iodide paper blue by displacin..
Tests for Chlorine - 1. Chlorine is a greenish yellow gas with a pungent and irritating odor. 2. It turns wet blue litmus paper red and then bleaches it. 3. Colored petals and the leaves of plants can be bleached by it. 4. Chlorine turns wet starch potassium iodide paper blue by displacin..Tests of ozone
Either of these three tests help in identifiying ozone. With starch iodide (KI + starch solution), ozone oxidizes KI to iodine, which gives ozone a blue color. Tailing of mercury test. It turns benzidine paper brown..
Iodoform test
Formation of yellow precipitate of iodoform is used as a test for certain aldehydes and ketones that have methyl group bonded to carbonyl group CH 3 CO- or compounds that can form this group on oxidation e.g. This test is performed by heating the substance with aqueous sodium..
Formation of yellow precipitate of iodoform is used as a test for certain aldehydes and ketones that have methyl group bonded to carbonyl group CH 3 CO- or compounds that can form this group on oxidation e.g. This test is performed by heating the substance with aqueous sodium..Tests for Hydrogen
Tests for Hydrogen - 1. Burns in air, with a pale blue flame, to form only water. 2. Lighter than air- lightest substance known, rises always high. 3. Colourless- odourless- neutral g..
Lassaigne's test
This test is performed to identify the halogen atom present in the compound. In this test, Lassaigne's solution is prepared by heating the compound with sodium metal. The Lassaigne solution is boiled with dilute HNO 3 to expel all the gases if evolved. Then AgNO 3 solution is..
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