Sciences Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Sciences Interview Questions

Questions Answers Views Company eMail

There are N petrol pumps along a circular path. Every petrol pump gives some amount of fixed petrol. Need not to be unique and in no particular order means it is random. We have a car and we need to find a petrol pump which can provide so much of petrol that we can take a full round of the circle. Mileage of car is fixed.

ADNOC Abu Dhabi National Oil Company,

2 8256

What is the difference between an ion and a radical?????

3 15063

Define:minerals and ores

2579

briefly explain how to use try and catch

2015

When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason????????? When a cool glass rod is suudenly heatd, it cracks. Why?????????

3 7890

Explain Thiele's structure for benzene. What is the difference between thiele's structure and modern structure (resonance hybrid) of benzene?

5229

In describing structure of benzene, by molecular orbital treatment, either MOT or VBT explains its structure?

2 5706

What is conjugated system?

3 6287

What is the mechanism for sulphonation of benzene by oleum?

1 7391

What is the structure of CO2 and CO?

Aptuit Laurus, Eisai,

4 8736

What is the effect of halogen on reactivity of benzene ring and what is the reason for decreasing reactivity?

3 7857

What are the least number of pi electrons possible in an aromatic compound.

3 6358

What is difference between anti-aromatic and non-aromatic compounds?

5 21804

Which organic compound is used as a fuel in jet air crafts? a. 100 octane b. 90 octane c. Kerosine oil d. Diesel oil

4 7870

in calibration of disintegration test apparatus why cycle limit is 28-32?

Caplin Point,

2 13019

Un-Answered Questions { Sciences }

any one have interview on 27 april please share the question as soon as possible because my interview on 28 april

2128

What is the earth made of?

907

Why do you think that bioinformatics is important?

1049

The rate constant for the second order reaction is 0.54/M.s at 300oC. How long (in sec) would it take for the concentration of NO2 to decrease from 0.62M to 0.28 M? 2NO2(g) 2 NO(g) + O2(g)

2597

Is Phenoxyethanol harmful?

582

Briefly describe about size of a molecule, which make a substance antigenic ?

452

What is serum sickness?

546

what law yields an equation that is used in determining crystal structure from interference patterns produced by monochromatic x-rays?

921

Why we have to add 200mg Na2CO3 in preparation of 0.1N sodium thiosulfate solution?

1577

Can good dental hygiene reduces the amount of bacteria in your blood stream?

731

How to find coexpressed genes on NCBI GEO?

2272

How many days does the fertilized ovum in human beings takes before reaching the uterus?

991

how many elements are common to living organisms?

2042

what are the difference between migration, emigration, and immigration?

329

What is the shadows?

982

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