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Sciences Interview Questions
Questions Answers Views Company eMail

Which gas is used in hospitals for the artificial respiration ?

 4 13075

Which gas used for purifying, air in underground enterprises ?

 1 3329

Which gas is used in bleaching powder.

IIT,

2 6030

What is the use of nitrogen in air ?

Hyundai,

4 10544

What is the difference between iron and steel ?

 2 6712

Distinguish between lime water and milk of lime ?

Brilliant,

1 15425

How can you mark your name on a glass plate by a simple chemical method ?

 1 3040

If you are given two liquids, which look like water, how can you, by two physical tests, prove which one of them may be water ?

 2 3990

When carbon is made to burn in an atmosphere of oxygen, what is produced ?

 1 2810

How can the iron sheets be prevented from rusting ?

 3 4191

How is cement manufactured ?

 3 5848

What is the purest form of water ?

APPSC, People Group, TATA,

13 22634

What is electroplating ?

 5 8256

What is gas-filled lamp ?

 1 2991

How is electricity generated from water ?

 7 9736

Un-Answered Questions { Sciences }

What are the differences between the age pyramids of developed and under developed countries?

112

What is blast hole?

426

What is the bluish white precipitate formed after adding ammonia solution?

587

what is NIR wave length

932

how much mass should be there in volumetric flask while in preparation of sample for assay? 

2045




Give an account of Viral isolation?

1673

Who invented gram stain?

690

What are allied activities?

545

Explain the differences between organic and inorganic chemistry?

642

What is sound?

484

Explain what is a positron?

513

How can one merge two species of bamboo to create a new variety?

1345

Tell me how many moons does neptune have?

101

Explain the 16s rRNA sequencing to determine the presence of bacteria ?

1544

What is the composition of Barford Reagent?

1548

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