Sciences Interview Questions
Questions Answers Views Company eMail

The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon

2 1506

Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium

1 1893

Water is a compound because 1 It exists as a solid, a liquid or a gas 2 It contains hydrogen and oxygen 3 It contains two different elements joined by chemical bonds 4 It cannot be split up into simpler substances by chemical means

1 5974




The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element

1 1341

Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent

3 6014

Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these

1 5120

The presence of which of the following salts in water causes corrosion in steam boilers? 1 Sodium chloride 2 Magnesium chloride 3 Calcium bicarbonate 4 Potassium bicarbonate

1 2631

When an iron nail gets rusted, iron oxide is formed 1 Without any change in the weight of the nail 2 With increase in the weight of the nail 3 With decrease in the weight of the nail 4 None of these

1 4944

Water is a good solvent of ionic salts because 1 It has no colour 2 It has a high boiling point 3 It has a high dipole moment 4 It has a high specific heat

1 2339

The hardest substance available on earth is 1 Platinum 2 Coal 3 Diamond 4 Gold

FCI, University of Ilorin,

12 30534

Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115

1 1561

Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver

5 4719

The ratio of pure gold in 18 carat gold is 1 60% 2 75% 3 80% 4 100%

DSSSB-Delhi Subordinate Service Selection Board,

3 10445

The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat

Neyveli Lignite Corporation,

1 5804

The element found on the surface of the moon is 1 Tin 2 Tungsten 3 Tantalum 4 Titanium

RRB,

4 14293







Un-Answered Questions { Sciences }

Define and describe the use of algorithms.

651


In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

1534


what are non-viral vectors?

763


what is the protocol for immunoprecipitation of bacterial proteins?

629


Explain about the Pouring agar plates ?

629


what is the low colony forming ability of Clumpy cells?

756


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

3016


how related substnce method developted for new compound which not official in the pharmacopiea

855


A 30 year old woman requests termination of pregnancy at 7 weeks gestation. How you will counsel her and discuss the available options for pregnancy termination.

1095


Why should preserve some seeds in acid before selling to farmers?

675


when i come in contact with any metal items or clothes of fur i find myself shock and when run my fingers on fur clothes or matters, i find sparks. Is there any vitiams deffecieny in my body. If so, what i have to do?

769


What are the risks associated with the contaminants affecting fish?

694


How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

1292


How microorganisms vary in pathogenesity?

616


can i use hplc detector to uplc and why?

440