aqueous sodium hydroxide or aqueous ammonia to aqueous solutions of four different metal compounds. Which solution contains Zn2+ ions? add a few drops of NaOH(aq) ppt ppt ppt no ppt add excess NaOH(aq) ppt dissolves ppt dissolves ppt no ppt add a few drops of NH3(aq) ppt ppt no ppt no ppt add excess NH3(aq) ppt dissolves ppt no ppt no ppt solution A B C D © UCLES 2005 5070/01/M/J/05 3 3 A sample of a pure compound is heated until it is completely molten and the
Premium Oxygen Hydrochloric acid Ammonia
into osmometer‚ which measures the osmolarity. This is done by freezing the sample of hemolymph and the time that it takes to defrost depicts the amount of osmoles. Water analyses for the three tanks determined the temperature ºC‚ pH‚ salinity (ppt)‚ oxygen levels and the ammonia content. The temperatures of all three tanks were taken by a digital thermometer and the pH of the water was taken by a pH
Premium Hydrogen Lobster Ammonia
Separation and Qualitative Determination of Cations and Anions Instructor’s Guide Master Materials List (complete for 24 students working in pairs) Silver nitrate‚ AgNO3‚ 0.2 M‚ 100 mL* Silver nitrate‚ AgNO3‚ 0.1 M‚ 100 mL* Cupric nitrate‚ Cu(No3)2‚ .02 M‚ 100 mL* Zinc nitrate‚ Zn(NO3)2‚ 0.2 M‚ 100 mL* Ferric nitrate‚ Zn(NO3)2‚ 0.2 M‚ 100 mL* Hydrochloric acid‚ HCl‚ 6 M‚ 125 mL* Nitric acid‚ HNO3‚ 6 M‚ 125 mL* Ammonia‚ NH3‚ 6 M‚ 125 mL* Sulfuric acid‚ H2SO4‚ 6 M‚ 125 mL* Acetic acid
Premium Ion Ammonia Sodium chloride
Next Gen IT Trends & Web Technologies Version 1.1 Course Plan May‚ 2009 TCS‚ Trivandrum‚ India Next Gen IT Trends & Web Technologies – Course Plan V1.1 2009 This is a controlled document. Unauthorised access‚ copying and replication are prohibited. This document must not be copied in whole or in parts by any means‚ without the written authorisation of the ILP‚ TCS‚ Trivandrum. TCS Internal 2 Tata Consultancy Services Next Gen IT Trends & Web Technologies – Course
Premium PHP World Wide Web Web server
Divide students into two groups & identify |A |Quality of suggestions|PPT | | |learning |challenges & barriers to learning |K | |Flip chart paper | | | |Record on flip chart sheets
Premium Education Learning Knowledge
46 ppt y. bacteria do chemosynthesis w/ methane z. water isn’t hot 34. Around black smokers‚ tube worms and other organisms rely on bacteria to do chemosynthesis using what gas as their energy source? w. oxygen x. carbon dioxide y. hydrogen sulfide z. potassium
Premium Ocean Ecosystem Ecology
COMPARATIVE STUDY AND QUALITATIVE ANALYSIS OF DIFFERENT BRANDS OF COLD DRINKS AVAILABLE IN MARKET. CHEMISTRY PROJECT On Content of Cold Drinks Available in the Market Poison vs. Nutrition AIM COMPARATIVE STUDY AND QUALITATIVE ANALYSIS OF DIFFERENT BRANDS OF COLD DRINKS AVAILABLE IN MARKET. CERTIFICATE It is hereby to certify that‚ the original and genuine investigation work has been carried out to investigate about the subject matter and the related data collection and investigation has been completed
Premium Carbon dioxide Acid Coca-Cola
Si Lola Isyang at ang Matandang Puno ng Kaimito Chary Lou Navarro 1. Author Biography (PPT) Full name: Chary Lou Navarro-Defante she has been writing poems since her high school days in Aklan College (Aklan Catholic College) Her Works has been published in Hiligayon‚ Yuhum‚ Home life Patubas (1994)‚ In Time Passing there are Things (100 Hime Life Poets) (1999)‚Mantala 3 and in the Philippine Daily Inquirer (2002) A PhD Graduate Maried to Ricardo S. Defante II and had a child‚ Kaanah Miyax
Premium Death Life Old age
Nucleophilic Substitution Reactions of Alkyl Halides 1. Summary of Experiment In this experiment we will be comparing the both SN1 and SN2 reactions using various compounds and sodium iodide and silver nitrate. We will be comparing the nature of the leaving group (Cl vs Br) in the 1-halobutanes as well as the effect of the structure
Premium Chemical reaction Ethanol Alkene
Xanthoproteic Test Conc. HNO3‚ conc. NaOH For W‚F‚Y (aromatic except for H) Blue to blue-violet Oxidative decarboxylation color & deamination followed by (proline:hydroxypr condensation oline gives a yellow color) Yellow sol’n/ppt. Nitration via SEAr with conc. HNO3‚ orange with excess NaOH Millon’s rgt.(Hg2+ & Hg22+nitrates& nitriles/Hg(NO3)2 in conc. HNO3‚ w/ trace of HNO2/HgSO4‚H2SO4 ‚NaNO2) Hopkins-Cole Test Glyoxylic acid (Mg powder‚ oxalic acid‚ HOAc)‚ conc
Premium Amino acid Protein Ammonia