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

Which of the following alloys is used for making magnets? 1 Duralumin 2 Stainless steel 3 Alnico 4 Magnalium

1 11920

Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate

SSC,

3 14841

Which of the following is the lightest gas? 1 Nitrogen 2 Hydrogen 3 Ammonia 4 Carbon dioxide

4 15904

Potassium nitrate is used in 1 Salt 2 Glass 3 Fertilizer 4 Medicine

2 5663

In which type of rocks re metals like gold and copper mostly found? 1 Old igneous 2 Old sedimentary 3 Old metamorphic 4 New metamorphic

3 16006

Which of the following gases is lighter than air? 1 Carbon dioxide 2 Oxygen 3 Ammonia 4 Chlorine

5 16274

Which of the following metals remains in liquid form under normal conditions? 1 Uranium 2 Radium 3 Zinc 4 Mercury

4 12531

Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones

2 5008

Which of the following is not a compound? 1 Silica 2 Red lead 3 Slaked lime 4 Black lead

1 4769

Which of the following is used as a lubricant? 1 Graphite 2 Silica 3 Diamond 4 Iron oxide

Honda,

3 23807

The purest form of iron is 1 Steel 2 Cast iron 3 Pig iron 4 Wrought iron

CIPET, FCI, HCL, JIPMER, NTSE, PSI Data Systems, RRB, SSC,

21 72615

The percentage of carbon is the least in 1 Grey cast iron 2 Wrought iron 3 White cast iron 4 Steel

4 15366

Emerald is ----in colour 1 Violet 2 Yellow 3 Deep green 4 Prussian blue

1 3498

Which of the following metals was first discovered by man? 1 Bronze 2 Silver 3 Iron 4 Copper

3 13030

Marsh gas is 1 Hydrogen 2 Nitrogen 3 Methane 4 Ethane

2 4593

Un-Answered Questions { Sciences }

Mention the formula to calculate ph of a solution?

1377

Explain how did the moon form?

effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

933

Why do you want to work for BPO company

1990

Classify lymphocytes?

402

How do you magnetize metal?

1030

Define selective waste collection?

318

What are the applications of electron microscope. : quantum physics

920

how we can identify the impurity is coming below loq at transfering site?

875

Explain what are wave fronts?

951

What is mode?

Aldehydes and ketones are known as?

1076

Why we said Glacial Acetic Acid to Acetic Acid m

1762

What should be the level/ Percentage of Arsenic in Arsenic free zinc.

2233

What are the main classical reference books of ayurveda?

194

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