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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 10897

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

SSC,

3 13473

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

 4 14339

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

 2 4329

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 14821

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

 5 14239

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

 4 10790

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 4063

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

 1 4025

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

Honda,

3 22230

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 66459

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

 4 13890

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

 1 2804

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

 3 11474

Marsh gas is 1 Hydrogen 2 Nitrogen 3 Methane 4 Ethane

 2 3640

Un-Answered Questions { Sciences }

When and where was the tata institute of fundamental research founded?

648

How to extract HBV cccDNA from heptoma cell lines?

1966

Give two specifications for the objective ‘ Application’.

443

Macrophages present, which are present in the in the connective tissue, are called as?

175

What evidence can you cite that suggests that rheumatic fever is an autoimmune disease?

1490




Why would farmers, doctors, and manufacturers be interested in Genetic Engineering?

2058

In which year the solar observatory in kodikanal founded?

632

What is allograft?

357

What are antiseptics?

619

Why are minerals and petroleum important for manitoba?

425

What are abiotic factors?

158

Why are salt and sugar used in the production of dried meat and dried fruits?

471

Explain how are grasslands classified?

84

Give an acccount of DNA extraction ?

1483

How does laser printer works?

509

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