Physical Chemistry Interview Questions
Questions Answers Views Company eMail

is the temparature effects the solubility of the compound?

2 2419

is the pH effects the solubility/micibility of the compound?

4 5054

At a constant temp. volume is inversly proportional to pressure. This is Boyle's law. But, when u give pressure to a football, how the volume also increases?

1 2407




What is the difference between EMF and Voltage?

IGCAR,

8 12465

2day science says that clouds r formed due to sea(more than 90% sea water in cloud). but when rain starts,,,,the rainy water is sweet while sea (salty)water is salty.....how sea water is converted into sweet water?

1 2325

WHAT IS THE SYLLABUS OO GROUP -I?

905

Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?

956

what are UV rays absorbs slightly?

854




why we are carrying standardization of karl fisher auto titrator with water and disodium tartarate.

1 3393

What is the brigg's raucher reaction?

938

During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution.

1681

As per X-ray Fluorescence theory, when material particle is irradiated with X-ray the electron of innermost orbital of that element atom is exited and emits outside of the atom as photoelecrons, living behind a hole in innermost orbital . This hole is filled by outer orbital electrons. The question is that finely what happens to that photo electon which is emitted outside of the atom?

Grasim,

1 2191

In testing of Cement the formula for water requirement for setting time is as below- Water required for setting time = NC x 0.85 The question is that what is the logic of 0.85 in this formula??

Grasim,

1164

what is the difference between elctrefining and electrolysis?

873

Sr-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half life of 28.1 year. Calculate the first order rate constant for this nuclear decay and the fraction of 90Sr that remains after 10 half lives?

Wipro,

4445


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Un-Answered Questions { Physical Chemistry }

a sample of gas occupies a volume of {450.0 ml}at {740 mm Hg}and[16C]determine the volume of this same sample at [760 mm Hg]and [37c]?

2809


what kind of question can be asked in interview for UV- VISIBLE & give me answer ?

2444


Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?

2156


what is the difference between elctrefining and electrolysis?

873


How to accelerate electron capture decay?

1073






The use of vermilion on rubric of the Tartar Relation is confirmed by the presence of three lines attributed to HgS. Why should this diatomic have more than one vibrational line?

1335


Write the each half cell reaction and also net cell reaction for a cell

1507


what is allowable limit Of stray light for a spectrophotometer laboratory instruments ?

175


what does 50 denote in dowex 50 ????

1220


Find out how to make artifacts the maxwell boltzmann theory of gases . ps. I don't speak English that well

164


What is the requirement to give RFlow when using RID detector?

1630


why athanol-water mixtuere have maximum viscocity in wt% 40?

368


How can be set a responds factor for evaluating a unknown impurity by HPLC

1132


what is induction on electrical insulators

930


During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution.

1681