Practically why we get negative absorption in UV SPECTROPHOTOMETER when the time of cleaning sample analysis. is negative absorption in Uv valid or not?
2450How to caluclate %w/v& %w/w ple give examples solids&liquids 10%NAOH W/W 10%W/V- 20%HCL W/W &W/V
2546why all liquid raw materials fallows residue on evaporation at 105Degree temp. but methanol bp 60Degree
1 3933Suppose u have combipack product and u get 2 or more peaks which are other than there placebo then what we can do
2361HOW DOES THE WATER MOLECULES ON CLOTHES EVAPORATES WHEN DIRECT HEAT IS NOT APPLIED BUT CLOTH IS STRECHED AND AIR IS PROVIDED? HINT:THIS METHOD IS USED IN MANY HOMES TO DRY UP THE CLOTHE WHEN DUE TO SOME CONDITIONS DIRECT SUNLIGHT IS NOT PROVIDED.
1 3816Post New Chemistry AllOther Questions
What is the number of protons in an atom?
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
is is advisable to give a Pewter finish n Stainless Steel ? State the Advantages & disadvantages.
What is bed worth rule? : Electrochemistry Corrosion
What is the nature of the bonding interaction between a metal and an olefin? : Polymer Chemistry
Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry
Explain how many moles of hcl are present in .70 l of a .33 m hcl solution?
Why purity angle should be less than purity threshold in peak purity
Explain what are enzymes?
Suppose u have combipack product and u get 2 or more peaks which are other than there placebo then what we can do
What are the methods used to control the corrosion? : Electrochemistry Corrosion
What is the role of a catalyst? : Polymer Chemistry
A polymer's structure influences its physical properties. Describe two structural variations that are possible for polypropylene but not for polyethylene. : Polymer Chemistry
i am going to face exam for the post of executive trainee (chemistry) in M.P Power generation company,i want to know the level of exam ,type of questions can be asked,and about any book whigh i can refer.
how can karl fischer's titration be used to estimate alcohols??????