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antihistaminesantihistamines are chemical substances that abolishdiminish the major actions of histamine released in the body and therefore avoid the
sulpha drugsthese are synthetic chemotherapeutic agents who consist of sulphonamide -so2nh2 set in their organization these were the firstly
chloramphenicolit is a extensive spectrum antibiotic it was very firstly isolated from a class of streptomyces it has been made up synthetically on
streptomycinit was discovered in the year 1944 by waksman streptomycin is successful against tuberculosis it is as well used for other general
antifertility drugsthese are the chemical substances employed to manage the pregnancy these are as well known as oral contraceptives the fundamental
drugs or medicines from plants1 bark of willow tree that consists of salicylic acid it is employed to take relief from fever and pain2 alkaloid
hybrid propellantsthese propellants are the propellants which contain solid fuel amp a liquid oxidiser for instance liquid n2o4 or liquid oxidizer
advantages of biliquid propellants over solid propellants1 the biliquid propellants generate higher thrust as compared to solid propellants2 the
liquid propellants - monopropellants and bipropellantsthese contain an oxidizer like liquid oxygen nitrogen tetroxide n2o2 or nitric acid and a fuel
solid propellantsthese types of propellants are mixtures of solid fuel and a solid oxidizer these are further categorized into two sub-classes1
types of rocket propellantsdepending on the physical state propellants can be categorized asa hybrid propellantsb liquid propellantsc solid
talcum powder talcum powder is utilized to decrease impatience of the skin talcum powders such as face powders comprise talc mg3oh2si4o10 chalk zinc
perfumes perfumes are the matters utilized to provide fragrance several requirements must be fulfilled to make use of a good perfume and any material
chemical in cosmeticsthe phrase cosmetics are taken from the greek word kosmetikos the meaning of this is decorating beautifying or enhancing
artificial sweetenerthe artificial sweeteners are other kind of food additives the very firstly admired synthetic sweetener was saccharin it was
preservatives the preservatives avoid spoilage of food because of microbial expansion the most common preservative employed is sodium benzoate
write a program called tarc that performs much of the cf operation of tar the command arguments look likeif there are no ar guments tarc reports an
if you have not used tar before try this sequence to makeanarchive ofyour llast projectcdtar cf llasttar llasttar tfv llasttarthe first line m vesyou
the tar command was invented to backup directory trees to magnetic tape the name is short for tape archiveacute a directory tree is a branching
chemicals in foodseveral chemicals are added to food for their preservation and improving their appeal these involve flavorings antioxidants
edible colours - chemicals in foodedible colours employed for food are mainly dyes the make use of food dyes is specifically wide spread they are
disinfectantsthe chemical substances that are employed to kill microorganisms although they cannot be applied on living tissues are known as
chemistry in action - antisepticsthe chemical substances that are utilized to kill or avoid the growth of micro-organisms are known as antiseptics
antimicrobials these are the chemical substances employed to cure infections because of micro-organisms these are as well known as microbes any
analgesics - narcotics and non-narcoticsanalgesics drugs which are relieved or decrease pain are known as analgesics these are of two typesi