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Sidhwani, Indu Tucker; Chowdhury, Sushmita – Journal of Chemical Education, 2008
Qualitative analysis of inorganic salts and mixtures is an essential experiment carried out in high school, undergraduate, and postgraduate levels all over the world especially in India and South Asia. The classical technique uses H[subscript 2]S, which is highly toxic and has adverse effects on humans and the environment. Increasing awareness…
Descriptors: Chemistry, Foreign Countries, Higher Education, Undergraduate Students
White, Robert S.; McKenzie, Dan P. – Scientific American, 1989
Investigates the nature of catastrophic volcanism and the rifting process. Describes two kinds of evidence: quantitative descriptions of rock melting and a wide range of observations. Discusses examples of continent growth in the North Atlantic, India and the Seychelles islands, and the South Atlantic. (YP)
Descriptors: Earth Science, Geographic Regions, Geology, Geophysics