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

How many grams of NaOH will react with 0.2 equivalent of HCl? (a) 0.59 (b) 0.285 (c) 1.18 (d) none of these.

Wipro,

2 6089

Which of the following is least acidic (a) Ortho-cresol (b) Para-cresol (c) Phenol (d) Meta-cresol.

Wipro,

1 4463

In Reimer-Tiemann?s reaction, the reaction intermediate is (a) Carbene (b) Dichloro carbene (c) Carbonion (d) Carbonium ion.

Biotech, Wipro,

1 12016

Which of the following is most acidic? (a) C2H5OH (b) CH3CHOHCH3 (c) Ethanol (d) CH3OH.

Wipro,

1 6306

A catalyst (a)always slows down the reaction (b)always starts a rection that would not have ocurred at all otherwise (c)causes changes in the rate of the reaction (d)changes the quantities of the products formed.

Wipro,

1 3754

The rate of the first order reaction depends on the (a) Concentration of the reactant (b) Concentration of the product (c) Time (d) Temperature.

Wipro,

1 3447

What is the most abundant element in the universe ?

Wipro,

1 4739

Integrate 3x + 5 / (x3-x2-x+1)?

Wipro,

2261

If y=cos-1(cosx + 4sinx)/(17)1/2, then dy/dx is ?

Wipro,

1 5553

If the sum of n terms of two series of A.P are in the ratio 5n+4:9n+6 .find the ratio of their 13th terms?

TCS, Wipro,

1 5073

If the letters of the word ?rachit? are arranged in all possible ways and these words are written out as in a dictionary, what is the rank of the word ?rachit?. (a) 485 (b) 480 (c) 478 (d) 481

LG, Virtusa, Wipro,

8 39787

Ravi?s salary was reduced by 25%.Percentage increase to be effected to bring the salary to the original level is (a) 20% (b) 25% (c) 33 1/3% (d) 30%

Wipro,

3 10971

A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In how many days will A alone finish the job?

Infosys, Wipro,

5 42449

How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph?

Wipro,

2 12589

What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9?

Wipro,

2 18784

Un-Answered Questions { Sciences }

What is stope in geology?

871

can any one give me the question bank for Lab Technician am going to appear for my HAAD exam on the 29/4/10. Please send me the Qs. my mail Id is petula_dsouzaa@yahoo.com Please help. thks.

2631

Why we use potassium hydrogen pthalate for determination of calibration in Total organic carbon

2191

Tell me is it possible that a nucleus has negative mass defect?

888

What is the disease caused by nipah virus and west nile virus?

578

The converse of this theorem is: if the sum of the squares of two sides of a triangle equal the square of the third side then the triangle is a right triangle. What is thename of the theorem?

1126

What is anti - noise?

1024

Can two normal individuals of the same species with sexual reproduction have identical genomes and identical karyotypes? How the human karyotype is usually represented?

835

What is crusher?

847

Name the animal which faints when frightened by the enemy?

972

if calibration of 12 bowl dissolution apparatus does not meet a single stage procedure how you can proceed calibration

2916

WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2134

What do you mean by diffraction and what is/are the proper condition/conditions for it?

1107

What is a monoclonal antibody?

584

What are the different studies present in political science?

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