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Practically why we get negative absorption in UV SPECTROPHOTOMETER when the time of cleaning sample analysis. is negative absorption in Uv valid or not?
2407How 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
2307HOW 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 are the differences between chemical and electrochemical corrosion? : Electrochemistry Corrosion
Explain how can you tell if there is a dipole moment or not?
What is the number of protons in an atom?
What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry
Explain how many moles of hcl are present in .70 l of a .33 m hcl solution?
WHAT TYPE OF QUESTION ASK FOR POST SENIOR TECHNICAL ASSISTANT IN DRDO
An atom has 18 protons and 22 neutrons. Tell me its mass number?
Polymer chain growth can be terminated by b-hydride elimination or by reaction with h2. What is one advantage of the h2 reaction? : Polymer Chemistry
"Co-polymers" consist of two different monomers ("a" and "b") joined in an alternating fashion (ababab...). Block co-polymers also consist of two different monomers, but in this case blocks of polymer containing only a units are joined to blocks of polymer containing only b units (aaaaabbbbb...). How might block co-polymers be synthesized? : Polymer Chemistry
Name the two most common end-products of alcoholic fermentation?
What does it mean for a molecule or a ligand to be "chiral"? What properties does chirality impart to a molecule? : Polymer Chemistry
Explain the difference between hcl acid and hcl gas?
Define hydra?
What are the applications of electrochemical cell? : Electrochemistry Corrosion
Explain the difference between the law of multiple proportions and the law of definite proportions?
