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what is colloids
what are raw material?
Thin layer chromatography (TLC) Detection of excessive levels of one or more amino acids in blood plasma or in urine is often crucial for diagnosis of a group of genetic (inheri
Q. Describe the ion exchange process of softening hard water. What are its advantages? Ans. Determination of ion exchange or Deionization process: In this pro
how do we estimate nicotine in tobacco qualitatively in lab by simple chemical test?
Discuss "cohesive energy" and "electron affinity". ‘Cohesive energy’: In a chemical bond, it’s the energy required to dissociate a solid into isolated atoms or molecules as ap
Write chemical equations 1 the reactions involved in the manufacture of potassium permanganate from pyrolusite ore What are enantiomers? Draw the structures of the possible e
The electronic configuration of an element with atomic number 7 i.e. nitrogen atom is; (1) 1s 2 , 2s 1 , 2p 3 x (2) 1s 2 , 2s 2 , 2p 2 x ,
A 0.5M solution of NaNO2 is made. What is the pH of the solution?
A chemical change takes place when one or more substances change into new substances. A chemical change is as well known as a chemical reaction. The emergence of new substances
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