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

General Chemistry (478)
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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?

1036

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?

1056

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

1015

Explain why acetic has less conductivity than hcl?

1039

Explain what is the dipole moment of chlorooctane?

1225

What is acid anhydride of h2co3?

1020

Define ph?

1139

Un-Answered Questions { Chemistry }

how we change 0.1N KmNo4 solution to 0.01N KmNo4 solution.

2033

Actinium is part of the actinide series. Could you explain the significance of this series and its placement in the periodic table?

629

How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

3355

What is the requirement for brazil in the analytical method vslidation comparr to ich?

782

Which Formula Forms A Link Between The Thermodynamics And Electro Chemistry?

1140

What are the other ways in which chemists can manipulate the properties of polymers? : Polymer Chemistry

1186

how require to fix the linearity and accuracy cincentration range?

1669

Explain the secondary structure of proteins?

994

pharma industries oriented

2245

What is weak acid?

964

How a balanced equation can be used to find the mass or volume of an unknown quantity in a stoichiometry?

2578

What are some common isotopes of Actinium, and how do they differ in terms of stability and uses?

682

Differentiate between modern periodic table and mendeleevs table?

1167

Explain Thiele's structure for benzene. What is the difference between thiele's structure and modern structure (resonance hybrid) of benzene?

5225

what is the extinction coefficient for Indomethacin or at 319nm wave length.

4071

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