metallic chemistry
why transation metals show charaterstic colours to the flame?
discuss the practical uses of coordination compounds, give reactions involves and explain whats happening in the process
Elaborate the structure of a DNA molecule?
Describe briefly the three facts on the evaporation?
The vapor pressure of pure benzene at a certain temperature is 200 mm Hg. At the same temperature the vapor pressure of a solution containing 2g of non-volatile non-electrolyte solid in 78g of benzene is 195 mm Hg. What is the molecular weight of solid:
What is the reason behind this that some medications contain hcl?
Illustrate the Lewis Dot Structure for the CH4O.
37% weight of HCl and density is 1.1g/ml. find molarity of HCl
Chromium(III) hydroxide is highly insoluble in distilled water but dissolves readily in either acidic or basic solution. Briefly explain why the compound can dissolve in acidic or in basic but not in neutral solution. Write appropriate equations to support your answer.
order of decreasing basicity of urea and its substituents
Which solution will have highest boiling point:(a) 1% solution of glucose in water (b) 1% solution of sodium chloride in water (c) 1% solution of zinc sulphate in water (d) 1% solution of urea in waterAnswer: (b) Na
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