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

mutarotation is observed when phenol and pyridine both are present but phenol or pyridine alone cannot show mutarotation-explain why?

4140

benzoic acid is a weaker than para nitro benzoic acid

7 28872

A 100W bulb and 60 bulb both rated at 220V are connected in series across 220V supply. If 60W bulb is removed and only 100W bulb remains in the circuit, will illumination increase or decrease?

3 5779

Two bulbs, one of 600W and the other of 100W having same voltage rating are connected in series across the supply in a room.Which bulb will glow brighter? If one of the bulb is switched off, what will be effect on illumination?

2 3879

which velocity is used to convert time section to depth section

HCL, ONGC,

2 5060

why using factor 1.00639 in burette calibration of kf

Cipla,

1 8557

what type of questions asked on analytical balance and also give answers................all pharma companies?

Sun Pharma,

1 12683

Why KBr is used in FTIR ?

6 15682

what is difference b/w scr &rectifier&mechanism of triac experiment

IIT,

2199

whayt use to calibrate infrared spectrophotometer

KIMS,

1 5044

How to study genotoxicity of impurities in API?

NCL,

2 6378

who is the winner of woman's single title in french open tennis championship 2011

2168

Why yeast is mostly used for fermentation or biotechnological purposes?

1 3897

What is the difference between solid state fermentation and solid substrate fermentation?

2 8552

What is the difference between chiral cel OD-H & OD-RH ?

Aptuit Laurus,

3 11914

Un-Answered Questions { Sciences }

Define light reaction?

858

Define an origin of electrode potential? : Electrochemistry Corrosion

1065

What is co-chromatography?

1180

What is (LMO) Living Modified Organism?

577

1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

1851

Which germ layer in mammals is predominantly responsible for forming the nervous system?

904

Define cellulose?

829

WHAT TYPE OF QUESTION ASK FOR POST SENIOR TECHNICAL ASSISTANT IN DRDO

8088

Explain steps involved in transcription?

960

What is the value of 2.904+0.0006=___

1162

What are pentoses?

1036

Explain the morphology of an embryo from ventral to dorsal portion after neural stage?

What is the relation between thymus and immune function?

407

Which is the continent known as the land of kangaroo?

1137

Why mineral oil or light liquid paraffin is used for ir analysis

4024

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