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 1572

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

1 1939

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 6091




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

1 1401

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 6165

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

1 5239

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 2761

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 5103

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 2409

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

FCI, University of Ilorin,

12 31247

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 1631

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

5 4866

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 10885

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 6096

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

RRB,

4 14584







Un-Answered Questions { Sciences }

Name the Blood Vessels in Fish?

763


what are the advantages and disadvantages of rational knowledge?

2992


Describe about Fusing spleen cells with myeloma cells using PEG ?

731


What is the basic PC architecture (main components)?

696


what is overall expansion,hp expansion,ip expansion and axial shaft of a steam turbine?

420


Why Lactobacilli are considered the most aciduric and acidogenic organisms in the oral cavity ?

2633


What can be the supporter of combustion except oxygen.

1221


Cystic fibrosis (CF) occurs with a frequency of about 1/2500 Caucasian newborns and is inherited as an autosomal recessive. A woman had an older sister die from complications of this disease. CF is not present among relatives of her husband. Both the woman and her husband have normal phenotypes. What is the chance this couple will have a CF child

732


Why irmoisture balance is used for corrugated box moisture testing

698


interview just dial market line

30


What is the calibration of HPLC?

634


In pickling process of titatium with HCL . how to know if the acid is not effective after pickling several batch. is there any test to know it. (not practically)

62


What is the trouble in growing streptococcus species?

673


What is the simple method for isolating parasite DNA from clinical samples?

599


how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'

739