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Categories >> Sciences >> Chemistry >> General Chemistry        Suggest New Category      Question  Asked @ Answers Views     select   why helium does not react with other elements?  2  159 what is ppm?how to prepare 75 ppm? Bureau-Veritas  3  523 Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?  0  132 Acid rain is caused due to pollution of atmosphere by SSC  2  332 what is the relation between Total organic carbon and Chemical Oxygen demand?  0  276 when we covert any substance into vapour state from solid state, is it ionized or not?  1  392 how to do heavy metal test for colour sample? Cipla  0  254 Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?  0  313 what is acidity of a base?  2  789 What is positive testing in relation to chemistry? For example, the sentence reads "Sample solutions are solutions known to contain one of each of the following ions, silver ion, Ag+(aq), barium ion, Ba2+(aq), and iron (III) ion, Fe3+(aq). Testing solutions are the solutions containing a polyatomic ion that can react with one of the metal ions to give a positive test." I am then asked to define what a "positive test" is. I am currently a student who is pretty new to chemistry, please try and make your answer as simply as possible. Thanks for the help.  0  325 is urea addition affecting the COD (chemical oxygen demand) & BOD (Biological oxygen demand)level? why?  3  1074 which of the following is the best conductor of electricity?  4  594 which metal is found abundantly in the earths crust??  2  566 why is their exotherm while addition of reducing agents in reduction reaction?  0  264 pH is having unit? Cipla   8  1674 E-Mail New Answers        Answer Selected Questions        Post New General Chemistry Question  [1]    2  ... 3   ... 5   ... 7   ... 9   ... 11   ... 13   ... 15   ... 17   ... 19    Next         Organic Chemistry Interview Questions     Inorganic Chemistry Interview Questions     Analytical Chemistry Interview Questions     Physical Chemistry Interview Questions     General Chemistry Interview Questions     Chemistry AllOther Interview Questions       Un-Answered Questions    Question Views Asked at   Select   In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol? 437   Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound? 313   how to do heavy metal test for colour sample? 254 Cipla when we covert any substance into vapour state from solid state, is it ionized or not? 392   what are the role of chemistry education in sustainable development 232   Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region? 132   what is the relation between Total organic carbon and Chemical Oxygen demand? 276   How BIS Decedied the LSF value 0.66-1.02 with calculation. 310   SET Examination Previous Questions 1112   why is their exotherm while addition of reducing agents in reduction reaction? 264   describe the lewis dot structure of Mg2+? 2886   hi i got i 20 from sacred heart university u.s.a.i got good tofel score and my gre is score is very poor.my university requirement is only tofel.i completed my b.pharmacy in 2009 so i got 1 year gap is their chances to reject visa?what i have to do i was very tensed.how to sought out my problem 273 US-Consulate E-Mail New Answers        Answer Selected Questions

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