by Belay Tafa and Eshete Assefa
Original Research
This study, detection of copper and Zinc (heavy metals) in water of Lake Chamo, was done from July, 2011 to April, 2012. The water was taken from three different sites of the lake in July, October, January and April (in four different seasons) and analysis of phsico-chemical parameters and copper and zinc ions content of the lake water were done. When physical and chemical parameters compared with the previous studies, it is found that most of these parameters were higher than the recommended standards and this affect the biota in the studied area and form a public health problem.why does my boyfriend cheat
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World Journal of Chemical Education. 2014, 2(3), 42-47. DOI: 10.12691/wjce-2-3-3
Pub. Date: November 09, 2014
89633 Views78034 Downloads36 Likes
by R. Sanjeev, V. Jagannadham, Adam A. Skelton and Arijit Das
Case Report
Association behavior of mono, di and tri-hydric alcohols having three carbon skeleton in a straight chain was studied based on surface tension (γ) data, EÖTVÖS constants (k), order of association (x), hydrogen bond acceptor (Ha)-donor (Hd) counts and Trouton’s rule. It is to be understood from the title that alcohols used were 1-propanol, 2-propanol, 1,2-propanediol, 1,3-propanediol and glycerol.tracking app for android
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World Journal of Chemical Education. 2014, 2(3), 39-41. DOI: 10.12691/wjce-2-3-2
Pub. Date: August 07, 2014
17902 Views6236 Downloads40 Likes2 Citations
by Arijit Das, R. Sanjeev and V. Jagannadham
Review Article
Context based learning approaches have been presented in this article as a way to enhance student’s interest in, as well as time economic learning outcomes from chemical education. In this article 16 years research based time economic study has been presented on hydrocarbon, aromaticity and chemical bonding to cultivate the interest of teaching and learning in organic and inorganic chemistry when solving context-based chemistry problems. In this pedagogical survey, we have tried to hub twelve (12) innovative and time economic methodologies by including thirty two (32) completely new formulae in the field of Chemical Education. Concepts that usually confuse the students in the examination hall have been explained here by some innovative methods based on applied mathematics. In this context, current trends in chemistry have been highlighted by some technical methods. The review explores the results and gives implications for context-based teaching, learning and assessment.free malayalam hot sex stories
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World Journal of Chemical Education. 2014, 2(3), 29-38. DOI: 10.12691/wjce-2-3-1
Pub. Date: July 25, 2014
33515 Views12130 Downloads53 Likes1 Citations