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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
antipyretic antipyretic is a drug that is accountable for lowering the temperature of feverish object the central nervous system specifically the
chemotherapy - chemistry in actionthe phrase chemotherapy that literally means chemical therapy or chemical treatment was coined in the year 1913 by
drugs - chemistry in actiondrugs may be a single chemical atom or a combination of two or more dissimilar substances an perfect drug should assure
disperse dyesthese dyes are utilized to colour synthetic fabrics for example orlon polyesters nylon and cellulose acetate that comprise tightly
ingrain dyes developed dyes -ingrain dyes are those that are synthesised straight on the fabric instances of this type of dyes are azo dyes in this
mordant dyes these dyes comprise no natural affinity for the fabric and are applied to it along with the help of specific additional substances
dyesdye is a synthetic and natural colouring matter that is employed in solution to stain materials particularly fabrics all the coloured substances
classification of dyes according to their applicationdirect dyesthis type of dyes can be directly applied to the fiber both vegetable and animal by
importance of chemistry in life - chemistry in actionchemistry plays vital role in our regular life from the starting it has been in the service of
vitamins - biomoleculesadditionally to air water proteins carbohydrates fats and mineral salts specific organic substances needed for regulating some