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composition of hydrocarboni alkanes found 30 to 70 consist of upto 40 carbon molecule alkanes are mainly linear chain but some are branched chain
sources of aliphatic hydrocarbonmineral or crude oil petroleum is the dark colour oily liquid along with offensive odour found at several depths in
normal 0 false false false en-in x-none x-none microsoftinternetexplorer4 a positive charge or a negative charge is
when a dielectric field is completely full in among charges rearrangement of the charges inside the dielectric medium takes place and the force among
there exist two types of charges in nature-i positive charge ii negative chargecharges with the same electrical sign
hydrocarbon - aliphatic hydrocarbonorganic compounds that made up of only carbon and hydrogen are known as hydrocarbons hydrocarbons mainly are two
charge is the characteristic associated with matter due to which it produces and experiences electrical and magnetic
objectives after doing this exercise you will be able to1 fill-up a f-22 form or write an application for obtaining the license permit for alcohol2
introduction alcohol is one of the most important chemicals used in the laboratories in biology and chemistry laboratories it is used almost every
geometrical or cis-trans isomerism the compounds that have similar molecular formula but differ in the relative spatial arrangement of
characteristics of tautomerisma tautomerism cationotropy is caused by the oscillation of hydrogen atom between two polyvalent atoms present in the
tautomerism - type of isomerismi the type of isomerism in which a substance exist in two readily interconvertible different structures leading to
during the life cycle of most animals some diploid cells undergo meiosis and haploid form in a process called gametogenesisspermatogenesisin the
metamerism - type of isomerismthis type of isomerism is due to the difference in the nature of alkyl groups attached to the polyvalent atoms or
differences between mitosis and meiosis events mitosis meiosis occurrence in all the body cells including germ
meiosis becomes significant for the following reasonsconstant number of chromosomesit brings about a reduction in the chromosome number from a
functional isomerism this kind of isomerism is because of difference in the nature of functional group present in the isomers the given pairs of
a cleavage furrow appears in the middle of the cell deepens gradually and divides the cell into twothus at the end of second meiotic division four
position isomerism it is due to the difference in the position of the substituent atom or group or an unsaturated linkage in similar carbon chaina
chain nuclear or skeleton isomerism this form of isomerism arises because of the difference in the nature of the carbon chain that is straight or
there is no interphase preceding second meiotic divisionthere is a brief intervening period called interkinesisduring this period there may be
simultaneously with the formation of two daughter nuclei a cleavage furrow appears in the middle of the cell the furrows gradually deepen and divide
introduction in this exercise you will learn various steps and procedures adopted while purchasing lab-related items this exercise will acquaint you
- the chromosomes at each pole uncoil and elongate to form the chromatin- a nucleolus reappears at each pole - spindle fibers and asters disappear
- nuclear membrane disorganize at the beginning of this phase- spindle fibers originate and the kinetochore fibers attach to the kinetochore of