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Preparation of chemical reagents I. Purpose of the Experiment A reagent is any substance in a chemical reaction. Different reagents are used for laboratory experiments
# what are supersaturated vapours
Q. Write short notes on fabrication of rubber objects. Sol. Fabrication of Rubber: in the row condition rubber is composed of molecules of great length and molecular weight.
The elements of this group form a number of compounds with halogens. The halogen compounds of S. Se, Te and Po are called as halides. For oxygen, only the fluoro compounds
A carcinogen is any substance, radiation or radionuclidethat is an agent directly involved in causing cancer. This may be due to the ability to break the genome or to the disrupti
A mixture of air and methanol vapour is fed to a converter in which the following reactions take place: CH OH O HCHO H O 3 2 2 2 1 + ® + 3 2 CH OH ® HCHO + H In addit
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Why +ve P.F. gives nuclear instability where as -ve PF gives nuclear stability ?explain .
Q. Evaluate slice bread on the basis of appearance and taste? Appearance A slice of bread can be having white/creamy white colour at the center and the brown colour on the
Q. How to Replace Metals from their Salts: Ans. If zinc is added to a solution of copper (II) sulfate, it dissolves. A reddish-brown deposit of metallic copper appears,
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