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

General Chemistry (478)
Chemistry AllOther (190)

Chemistry Interview Questions

Questions Answers Views Company eMail

How are atoms of the isotopes different from one another? Two isotopes of carbon are carbon-12 and carbon-14.

1014

Explain the chemical formula for dichromate?

1085

Name the branch of chemistry that deals with the relationship between electricity and chemical reactions?

1196

Tell me the common name of the molecule dihydrogen dioxide?

1038

Explain the difference between the law of multiple proportions and the law of definite proportions?

1024

Explain how can you tell if there is a dipole moment or not?

1039

How to convert -40 of into centigrade?

1052

Tell me how many milliliters of water would you add to 100 milliliters of a 0.350 molar solution to make a 0.100 molar solution?

928

Define dipole moment?

1070

What is the number of protons in an atom?

1057

Observe the following number to four significant figures and express the result in standard exponential notation: 0.006543210?

1017

Explain why acetic has less conductivity than hcl?

1039

Explain what is the dipole moment of chlorooctane?

1227

What is acid anhydride of h2co3?

1020

Define ph?

1140

Un-Answered Questions { Chemistry }

what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

2293

Discuss the potential medical applications of Protactinium isotopes in cancer treatment or imaging techniques.

579

what are the role of chemical education in sustainable development

2207

Actinium-227 can decay into Thorium-227. Explain the significance of this decay chain and its applications, particularly in nuclear physics.

674

In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

925

How hydrate is forming along with API?

2325

When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason?? When a cool glass rod is suddenly heated, it cracks. Why?

1034

in dissolution why pool sample needed? in which type of drug pool sample need?

3179

What is the use of tlc and hplc? And when and where use?

1162

why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

9797

could negative ions be produced by bombardment process in mass spectrometry?

1781

what is the origin to prepare standard operating procedure

2331

Write the mathematical form of nernst equation and give one application? : Electrochemistry Corrosion

972

Describe the role of Protactinium in neutron sources and its significance for research in nuclear physics.

573

What is third generation HPLC Columns?

1981

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