if tis below reaction does happaen means...,what is the end product.......? naphthal + toluene(or)benzene............> ?1 3176
what is the difference between sulphated ash and ROI1 6259
benzoic acid is a weaker than para nitro benzoic acid7 22260
How hydrate is forming along with API?1081
If benzene and tolune both can be mixed... what is the boiling point for the mixture and its density...?2 3047
naphtha and hexane mixture can be used a fuel or not1185
What is the range of UV & vis lamp in spectrophotometer. Dhaval patel9 10493
give an example of secondary standard (solution).1 3502
what is mean by 21 cfr1 4234
Is LOD and LOQ values differ for different substrat (eg milk, tissue, egg etc.) for same compound (eg pesticide flumethrin)in same instrument(eg GC)?1 2218
hi, i want last 10 years ongc exam recruitment papers for subject in chemistry ,genaralknowladge.
how do you make a amine sugar
Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and appearance? suggest?
In order to avoid the pyridine catalyst use in many synthesis which is harmfull to environment, which catalyst can be used....?
wtat type quations will be sak in ongc exam?
chlorination of methane is possible and a mixture of products are obtained. Is flourination and Bromination of methane is possible?
What precaution u take when doing rs preparing
Which form of Sucores is harmfull to humans ?
What is the difference between cracking, pyrolysis, destructive distillation, hydroforming, carbonization and dry distillation?
what is stero electronic factor.2 what is steric control factor and what is product control factor
Any one is alembic pharmaceutical ltd. On starting to job ?
discuss the diffrent types of chromatography and their uses. In not more than 10 papers oc not less than 8 papers
write short note on stero electronic factor, steric control factor and product control factor
How to synthesize methylene bisthiocyanate using CH2Cl2 and NaSCN?
what are stereomers? how are they classified?