From table 8‚ the concentration of Nitrate‚ Nitrite and Ammonia in blank solution(ionized/distilled) were 0 mg/l. Blank solution was served as a reference solution that contains the absorbing solution but not the absorbing species. The uses of blank is to negate the background and improve the result accuracy. For the test of Nitrate‚ the colour of sample solution changes from colourless to Red where the blank solution still remained colourless throughout the test. This showed that no nitrate present
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from a cation such as water or ammonia that has pair of electrons that become attracted to the positively charged cation. In terms of the solubility‚ the formation of a complex lowers the concentration of the cation in the solution. In this experiment‚ there are 3 parts need to be done which is complex formation‚ weak acids and bases and precipitation reaction. During complex formation experiment‚ student needs to observe the different reaction occur when adding ammonia or sodium hydroxide in small
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Name: __________________________________ ( ) Class: 4Q HWA CHONG INSTITUTION PRELIMINARY EXAMINATION 2010 CHEMISTRY 5072 Paper 1 Time: 1 hour INSTRUCTIONS TO CANDIDATES Do not turn the pages over until you are told to do so. Write your name and index number on the answer sheet in the spaces provided. There are forty questions on this paper. Attempt all questions. For each question‚ there are four possible answers labelled A‚ B‚ C and D. Choose the one you consider correct and
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REPORT ON ORGANISATIONAL STUDY AT FERTILISERS AND CHEMICALS TRAVANCORE Ltd. Vivek Menon (Reg. No: 85270050) Under the Guidance of Dr. Sarada S Reader Submitted in partial fulfillment of the requirement for the award of the degree of MASTER OF BUSINESS ADMINISTRATION to the Cochin University of Science and technology School Of Management Studies Kochi-682022‚ Kerala‚ India Year-2008 CERTIFICATE This is to certify that this REPORT ON ORGAINSATIONAL STUDY AT FERTILISERS
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THE ORGANISM MAY EXCRETE UREA‚ URIC ACID OR AMMONIA. 5. Why would it be disadvantageous for humans to excrete nitrogenous waste in the form of ammonia? How are fish adapted for the excretion of ammonia? AMMONIA IS VERY TOXIC AND MUST BE IMMEDIATELY REMOVED FROM THE VACINITY OF CELLS. THIS CAN BE DONE BY IMMEDIATELY DIFFUSING IT INTO A LARGE QUANTITY OF WATER. HUMANS DO NOT HAVE ENOUGH WATER TO DILUTE THE TOXIN. FISH DIFFUSE THE AMMONIA IMMEDIATELY OUT OF THEIR GILLS. THEIR ENVIRONMENT
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from natural gas into ammonia. Control & Click to follow link. The Haber Process PPT.ppt Questions to Answer Questions that should be answered by the content of your research project: 1. Describe the process you researched‚ including its uses in various industrial or health fields. I chose to research The Haber Process. It combines nitrogen from the air with hydrogen that comes from natural gas‚ into ammonia. The reaction is reversible and the production of ammonia is exothermic. 2. Who
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Executive Summary We are the students of BBA from AIUB; under kind supervisor of sir MD. Mostofa Jaman started to work on new and innovative idea that has not been before in Bangladesh. As a step towards growing entrepreneurship in Bangladesh we students of AIUB have a tradition to present our new and innovative idea in front of people which could benefit the job situation in Bangladesh and so that we could become job givers not job beggars. Sugarcane juice industry is a business idea that deals
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________________________________________________________________________________ ANALYSIS OF FOOD AND NATURAL PRODUCTS LABORATORY EXERCISE Determination of total nitrogen in food and crude protein calculation (Kjeldahl method) ___________________________________________________________ Responsible person: Assoc.Prof. Ing.Kateřina Riddellová‚ Ph.D. CONTENT ______________________________________________________________________________________________________________________ Required
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H2 Chemistry 9647 Term 3 Block Test 2010 – Examiner’s report H2 CHEMISTRY 9647 Paper 2 (Section A) Structured Questions Question 1 – Atomic Structure and Redox Titration Most elements exist in nature as mixture of isotopes. At present‚ there are about 1600 known isotopes‚ of which only one-sixth are stable. The unstable isotopes lose energy by emitting ionising particles or radiation through the process of radioactive decay. Ernest Rutherford and later Paul Villard discovered the three
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Update: 29 Dec 2004-2205 h / 1st pub: 7 Sep 2001 @ CHIJ-St Joseph’s Convent Test for CATions * All cations must be present in aqueous states before tests can be conducted.. CATion ammonium zinc Reaction with aqueous Sodium Hydroxide NO ppt. Ammonia gas produced on warming. White ppt. [y] Soluble in excess aq. NaOH to form a colorless solution. [z] Zn2+ + 2OH- Zn(OH)2 (white ppt) Zn(OH)2 + 2OH- [Zn(OH)4]2- (aq) White ppt. [u] Ca2+ + 2OH- Ca(OH)2 (white ppt) Insoluble in excess aq. NaOH.
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