Practically why we get negative absorption in UV SPECTROPHOTOMETER when the time of cleaning sample analysis. is negative absorption in Uv valid or not?
2404How to caluclate %w/v& %w/w ple give examples solids&liquids 10%NAOH W/W 10%W/V- 20%HCL W/W &W/V
2503why all liquid raw materials fallows residue on evaporation at 105Degree temp. but methanol bp 60Degree
1 3865Suppose u have combipack product and u get 2 or more peaks which are other than there placebo then what we can do
2305HOW 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 3760Post New Chemistry AllOther Questions
What is the nature of the bonding interaction between a metal and an olefin? : Polymer Chemistry
Explain the difference between hcl acid and hcl gas?
What is the role of a catalyst? : Polymer Chemistry
Explain the dipole moment direction for methanol?
What is stepping ripple and step accuracy
How tripod is used?
Explain what are enzymes?
Name the 4 physical states of matter?
how to mesure a relation of assay by HPLC and purity in results?
Name the branch of chemistry that deals with the relationship between electricity and chemical reactions?
What are the types of insulators?
Define electro plating and electroless plating? : Electrochemistry Corrosion
Can a Nascent Hydrogen be used for fuel cell without damaging the equipment and if so how good would it be compared to other type of hydrogen.
how can karl fischer's titration be used to estimate alcohols??????
Name the element does the symbol au stand for?