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

Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes

Sri Chaitanya,

3 16678

Galvanized iron sheets have a coating of 1 Tin lead 2 Zinc 3 Chromium 4 Lead

3 9162

Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of 1 Nitrates 2 Zeolites 3 Sulphontes 4 None of these

2 8051

Which of the following is called a strategic metal? 1 Silicon 2 Germanium 3 Titanium 4 Uranium

4 10615

Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo

AFMC,

2 17998

Among the various allogropes of carbon 1 Diamond is the hardest, lamp black is the softest 2 Diamond is the hardest, coke is the softest 3 Coke is the hardest, graphite is the softest 4 Diamond is the hardest, graphite is the softest

1 3648

Liquefied Petroleum Gas consists of mainly 1 Methane, ethane and hexane 2 Ethane, hexane and noname 3 Methane, butane and propane 4 Methane, hexane and nonane

2 13882

Which of the following gases is used as an illuminant in lamps used by hawkers? 1 Methane 2 Ethylene 3 Acetylene 4 Hydgrogen

3 11463

The metal that is present in photo films is 1 Mercury 2 Platimnum 3 Magnesium 4 Silver

3 21150

Which of the following is in liquid form at room temperature? 1 Cerium 2 Sodium 3 Francium 4 Lithium

1 9811

Soda water contains 1 Nitrous acid 2 Carbonic acid 3 Carbon dioxide 4 Sulphuric acid

PNRD, RRB,

3 24736

Which of the following is not an isotope of hydrogen? 1 Protium 2 Yitrium 3 Deuterium 4 Tritium

2 13366

Which of the following is the basis of modern periodic table? 1 Atomic mass 2 Atomic number 3 Atomic size 4 Atomic volume

1 5864

Brass is an alloy of 1 Nickel and copper 2 Zinc and copper 3 Nickel and zinc 4 Nickel and silver

1 3926

Of the following metals which, one pollutes the air of a big city? 1 Copper 2 Chromium 3 Lead 4 Cadmium

HCL, High Court, SSC,

3 16609

Un-Answered Questions { Sciences }

What are the basic constituents of the cell membrane?

882

What can be achieved by using correlation research method to find the statistical data?

What are the possible dangers that bio technology and bio medicine faces on the advanced scientific methods of food products?

1054

how you start the solubility study?

835

What is the role of silver sulphate?

1128

Why GLP is followed in the lab?

1244

Name some Infectious diseases.

576

Since mistletoe is parasitic, could plasmodesmata be present between mistletoe and its host?

2276

Explain the Lagrange's method of undetermined multipliers to find extreme values of the function f (x,y,z).

1112

How to do transfection on 293 cell ?

1878

Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry

1507

What is gelatinization?

1626

Explain in brief about electrostatic bonds in antigen-antibody interaction.

392

Which kind of lifestyle causes dry mouth?

783

why all high frequency semiconductors have comparatively low current rating?

2210

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