General Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

General Chemistry Interview Questions

Questions Answers Views Company eMail

what is acidity of a base?

2 5788

Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?

3228

how to do heavy metal test for colour sample?

Cipla,

1 5112

when we covert any substance into vapour state from solid state, is it ionized or not?

2 5187

what is the relation between Total organic carbon and Chemical Oxygen demand?

2990

Acid rain is caused due to pollution of atmosphere by

SSC,

3 8239

Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?

Ranbaxy,

3022

what is ppm?how to prepare 75 ppm?

Bureau Veritas,

6 14448

why helium does not react with other elements?

3 7328

What is OOS $ OOT ?

Alkem Labs,

1 8350

Which halogen element is used in halogen light?

1 4416

why bottles of Hazardous chemicals or solvent are available in round shaped only?

Pfizer,

1 4806

What is Displacement Reaction .

2 4818

What do you mean by UV cut off limit

Cipla,

1 5593

If Concentrated HCl... Already 37%... So, How to prepare 10% HCl from Conc. HCl (37%)?

Manish Pharma, MOL, S S Pharmachem,

7 20017

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Un-Answered Questions { General Chemistry }

Why is estimation of copper done at 620 nm wave length?

1504

Why ph scale range is 14?

1165

Differentiate between modern periodic table and mendeleevs table?

1221

State beer-lambert’s law.

1229

Mention a few important criteria for satisfactory colorimetric analysis.

1594

What is the chemical formula of alum?

1230

What are the electrodes used in potentiometer titration?

1067

what is difference b/w "regio selectivity" & "sterio selectivity"

2497

What is meant by ph of a solution?

1082

What is si unit of viscosity-coefficient?

1172

What are the advantages of potentiometric titration?

1157

State lambert’s law.

1280

How is measurement of ph made?

1103

What happens when the excess of stannous chloride is not removed

1172

However ozone is heavier than oxygen still ozone is up there in sky why?

1115

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