coagulation
what is the meaning of fourth power of valency of an active ion?
In these reaction oxygen atom of carbonyl group is replaced by either one divalent group or two monovalent groups. Reaction by ammonia derivatives: aldehydes and ketones react with a number of ammonia derivatives such as hydroxylaminem hydrazine, semicarbazide etc. in weak acidic medium.
What is the reason behind this that some medications contain hcl?
Illustrate the 3 facts on evaporation?
1. The units of Henry Law constant are same as those of pressure, i.e. torr or h bar. 2. Different gases have dissimilar values of Henry law constant. The values of KH for some gases in water are given in tabl
Illustrate how are dipole attractions London dispersion forces and hydrogen bonding similar?
In zinc blende structure, zinc atom fill up:(a) All octahedral holes (b) All tetrahedral holes (c) Half number of octahedral holes (d) Half number of tetrahedral holesAnswer: (d) In zinc blende (ZnS
why transation metals show charaterstic colours to the flame?
What are the advantages of doing your own chemistry assignments? State your comment?
Describe briefly the three facts on the evaporation?
show how a mathematical definition of entropy can be obtauined from a consideration of carnot cycle?
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