Practically why we get negative absorption in UV SPECTROPHOTOMETER when the time of cleaning sample analysis. is negative absorption in Uv valid or not?
2360How to caluclate %w/v& %w/w ple give examples solids&liquids 10%NAOH W/W 10%W/V- 20%HCL W/W &W/V
2451why all liquid raw materials fallows residue on evaporation at 105Degree temp. but methanol bp 60Degree
1 3779Suppose u have combipack product and u get 2 or more peaks which are other than there placebo then what we can do
2268HOW 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 3648Post New Chemistry AllOther Questions
Name the branch of chemistry that deals with the relationship between electricity and chemical reactions?
Define dipole moment?
how to mesure a relation of assay by HPLC and purity in results?
What is the difference between Assay and Purity?
Define a triglyceride?
Define a substituted hydrocarbon?
Define alum?
How are atoms of the isotopes different from one another? Two isotopes of carbon are carbon-12 and carbon-14.
Suppose u have combipack product and u get 2 or more peaks which are other than there placebo then what we can do
Explain what are the hydrocarbons?
What is the role of a catalyst? : Polymer Chemistry
Explain how many moles of hcl are present in .70 l of a .33 m hcl solution?
Explain what are enzymes?
Define an electrochemical corrosion. What are the types of electrochemical corrosion? : Electrochemistry Corrosion
What is the nature of the bonding interaction between a metal and an olefin? : Polymer Chemistry