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?

4146

benzoic acid is a weaker than para nitro benzoic acid

7 28894

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 5786

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 3885

which velocity is used to convert time section to depth section

HCL, ONGC,

2 5067

why using factor 1.00639 in burette calibration of kf

Cipla,

1 8560

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

Sun Pharma,

1 12688

Why KBr is used in FTIR ?

6 15690

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

IIT,

2205

whayt use to calibrate infrared spectrophotometer

KIMS,

1 5047

How to study genotoxicity of impurities in API?

NCL,

2 6393

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

2171

Why yeast is mostly used for fermentation or biotechnological purposes?

1 3904

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

2 8561

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

Aptuit Laurus,

3 11930

Un-Answered Questions { Sciences }

What are the advantages of indirect immuno fluorescence?

413

What is the maintenance process in x-ray unit?

Briefly describe about precipitation reaction.

407

What is the cause of brownian motion?

1075

What are the various Labour standards in the fishing sector ?

2177

Why have the electron and the proton the same charge whereas the proton is 1836 times heavier?

1160

How to Prepare cultures of known concentration ?

2163

what species of flower is a desert plant with tiny pink flowers in clusters and thick jagged leaves?

1976

Explain how many arms does an octopus have?

1091

What are enzymes? What is the importance of enzymes for the living beings?

1159

Explain the relations between number of carbon atoms in alkanes and retention time ?

2152

what do you know about Retroviral transduction of mouse t lymphocytes ?

1737

What is the disease caused by Human T-lymphotrophic virus II?

549

What are luminous irregular nebulae?

1138

What are some common compounds or chemical reactions involving Protactinium, and how do they contribute to our understanding of this element?

660

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