Answer Posted / raj

Silica columns are best for normal phase analysis and even as mentioned above chiral columns.

Consider the polymerization of 1,2-dichloroethylene, h(cl)c=c(cl)h. What structural variations are possible in poly(1,2-dichloroethylene)? : Polymer Chemistry

1337

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Define dipole moment?

1047

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Differentiate electroplating and electro less plating? : Electrochemistry Corrosion

1053

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Define ph?

1116

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How to convert 673 kelvin into degrees centigrade?

1057

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Why are metals often good catalysts? : Polymer Chemistry

948

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What do you mean by redox reaction? : Electrochemistry Corrosion

910

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Explain how many moles of hcl are present in .70 l of a .33 m hcl solution?

1006

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Besides the extent of branching, can you think of any other structural parameters that might lead to differences in physical properties? : Polymer Chemistry

1285

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what are the role of chemical education in sustainable development

2189

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Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry

1482

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What are the factors which affect corrosion? : Electrochemistry Corrosion

912

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Examine samples of ldpe (sandwich bag, squeeze bottle) and hdpe (milk jug, grocery bag). What are some of the differences in the physical properties of these substances? : Polymer Chemistry

1157

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What is the role of a catalyst? : Polymer Chemistry

985

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A polymer's structure influences its physical properties. Describe two structural variations that are possible for polypropylene but not for polyethylene. : Polymer Chemistry

1083

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