Before Applying job posting in any websites or recruiting agencies or sending resumes to job recruiters or any other employment website you need to improve your skills on general knowledge, Aptitude, Puzzles, logical reasoning, general english, database, programming as per your job profile. Job recruiters or mostly preferring job candidates who are having more stuff in those categories mentioned above. So improving more skills on your job profile always boost up your career and your performance. Even hiring companies and job recruiters who are looking for many job posting websites actually they are looking and filtering on these activities. In these chemistry section you need to update more questions to perform well in front of job recruiters and companies. chemistry Interview questions are most important to score in interview, Update all questions to score well in all rounds in job interview.

Chemistry interview questions and answers

11)
Which one among the following is not a greenhouse gas?
  • Methane
  • Ozone
  • Chlorofluorocarbon
  • Sulphur dioxide
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  • Answer
  • b) Ozone
12)
‘Freon’ used as refrigerants is chemically known as
  • Fluorinated aromatic compound
  • Fluorinated hydrocarbon
  • Chlorinated hydrocarbon
  • Chlorofluoro hydrocarbon
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  • Answer
  • d) Chlorofluoro hydrocarbon
13)
Which one among the following salts causes hardness to the water?
  • Calcium bicarbonate
  • Calcium carbonate
  • Sodium sulphate
  • Potassium chloride
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  • Answer
  • a) Calcium bicarbonate
14)
What is the jeweller’s rouge?
  • Ferric carbonate
  • Ferrous carbonate
  • Ferrous oxide
  • Ferric oxide
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  • Answer
  • d) Ferric oxide
15)
What is the purpose of adding baking soda to dough?
  • To generate moisture
  • to give a good flavour
  • to give a good colour
  • to generate carbon dioxide
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  • Answer
  • d) to generate carbon dioxide