Granules India Chemist Quality Control Interview Questions and Answers

Karlfisher reaction is a chemical method used to determine the amount of water in a sample.

• It involves the reaction of iodine with sulfur dioxide and pyridine in the presence of a solvent.

• The reaction produces iodine monochloride, which reacts with water to form hydrochloric acid and iodide ions.

• The amount of water in the sample can be determined by titrating the iodine monochloride with a standardized solution of thio...read more

pH is a measure of the acidity or alkalinity of a solution, on a scale of 0 to 14.

• pH stands for 'potential of Hydrogen'

• pH scale ranges from 0 (most acidic) to 14 (most alkaline)

• Neutral pH is 7, like pure water

• Acids have pH values below 7, bases have pH values above 7

• pH is important in various industries like food, pharmaceuticals, and environmental monitoring

Safety equipment used includes gloves, goggles, lab coat, and closed-toe shoes.

• Gloves are used to protect hands from chemicals and other hazards.

• Goggles are worn to protect eyes from splashes and fumes.

• Lab coat is worn to protect clothing from spills and splashes.

• Closed-toe shoes are important to protect feet from spills and falling objects.