H4N+ = no color Cobaltnitrite test for K+: -Heat NH4+ off -In a small test tube/vial‚ or spot plate and place 10-15 drops of solution to test -Then add a drop of 6M HAc and 2-3 drops of sodium cobaltnitrite reagent -Observe - ppt forms = K+ and/or H4N+ - no ppt = No K+ or H4N+ Blue Litmus test for H4N+: -Mix the sample in DIW -Add 6M NaOH -Suspend damp red litmus -Observe - red litmus turns blue = H4N+ pH test: -Test sample solution with Indicators -2 HSO4 ; 3-5 Al(OH2)63+;4 Cu2+;
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rampant corruption‚ preferential policies for state-owned companies‚ and copious red tape all prevent private enterprises from thriving. Yet out of this unequal playing field‚ e-commerce giant Alibaba and web portal Sina have created two of the fairest and most transparent business platforms in China. Alibaba allows individuals and companies to sell goods on its Taobao platform‚ giving vendors a set of standards and leaving everything else to their discretion. Weibo is similarly a free-for-all of Chinese
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and added 2 drops of HCl and got white ppt which correlates with the positive control. 2) Centrifuged the ppt and soln‚ then discarded soln and washed ppt and centrifuged again. 3) I added 2mL of H2O‚ put the test tube in the hot water bath and stirred for 3 minute with a stirring rod. 4) I then decanted the solution into another test tube. 5) I added one drop of 6M acetic acid and 3 drops of 1M K2CrO4‚ which formed a positive confirmation where yellow ppt was formed‚therefore it contained Pb+2
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Na2SO4 Al2(SO4)3 KOH MgCl2 FeCl3 Ba(NO3)2 Milky ppt Milky ppt NR NR Yellow ppt Na2SO4 NR NR NR Peach ppt Al2(SO4)3 NR NR Orange ppt KOH NR Carrot Orange ppt MgCl2 Lemon yellow ppt FeCl3 Set #2 KCl MgCl2 Na2SO4 NaOH BaCl2 MgSO4 KCl NR NR NR NR NR MgCl2 NR NR Cloudy ppt NR Na2SO4 NR Cloudy ppt NR NaOH NR NR BaCl2 Cloudy ppt MgSO4 Questions: 1. On the attached
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Reactivity of Halide Ions Purpose: There are four halide salts used in this experiment that are found in the human body. Sodium fluoride is poisonous‚ but has been traced to be beneficial to humans in the prevention of tooth decay. Sodium chloride is added to many of our foods to increase flavor. Sodium chloride is important for many life processes‚ but too much intake is linked to high blood pressure. Sodium bromide is distributed throughout body tissues. Sodium iodine controls cell growth. The
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eBay first entered the Chinese market in 2002 by acquiring a 33% stake in its local counterpart‚ EachNet‚ followed by a full acquisition a year later in 2003. Critically assess eBay.s choice of market entry strategy for China‚ listing both the advantages and disadvantages of its acquisition strategy. As we know‚ eBay’s China expansion strategy can be considered as failure‚ despite the fact that eBay entered this potentially rewarding market with caution. This cautious strategy was very unusual for
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Marketing Mix Overview of Cognizant Introduction Services offered by Cognizant Competitors Key competitors Competitor analysis (Porter model) ppt 8‚ slide 5‚12 Company Orientation Ppt 1‚ slide 15 Efficiency and Effectiveness matrix Ppt 1‚ slide 27 How Cognizant has adopted Holistic Marketing Ppt 1‚ slide 32 Customer buying behavior Ppt 3‚ slide 41 Segmentation‚ Targeting and Positioning Segmentation Basis of segmentation Services offered in each segment VALS Framework Targeting
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On March 9 2011‚ Baidu announced through Western China City Daily that it has initiated an internal testing of the Baidu browser and would officially launch the browser soon afterwards. Up until now‚ the strategy of Baidu client end products is becoming clearer and clearer. There is a clear tendency for baidu to become a rival to Tencent in the field of client end products. Baidu browser will be integrated with Baidu application platforms. According to Baidu‚ Baidu browser Beta 1.0 is the joint
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study of eyewitness testimony (EWT) was by Loftus and Palmer. Their aim was to see whether asking leading questions had any effect on recall. The method used was a laboratory experiment and had two parts to it. The first was showing participants (Ppts) 7 films of car accidents. Participants were then asked questions‚ including “How fast were the cars travelling when they **** each other?” The asterisks were then replaced with a different verb‚ including “smashed” and “hit.” The second part of the
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Clearance before the esteemed members of Karnataka State Level Expert Appraisal Committee Proposed Project 32 MW Captive Power Plant in Existing Ferro Alloy Unit Proponent M/s. Star Metallics & Power Pvt. Ltd. Hospet‚ Karnataka. Karnataka SEAC PPT For EC of Star Metallics & Power Pvt. Ltd. 1 PROJECT HIGHLIGHTS Name of company M/s. Star Metallics & Power Pvt. Ltd Promoter of company EIEL‚ India & ETA group‚ Dubai. Location Vyasankere‚ Ta: Hospet‚ Dist.: Bellary District:
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