Lab Chemist Trainee
Lab Chemist Trainee Interview Questions and Answers
Q1. Formula of methane ges. Some reactions.
Methane is a hydrocarbon with the formula CH4. It is the simplest alkane and the main component of natural gas.
Formula: CH4
Methane is a colorless, odorless gas
It is highly flammable and burns with a blue flame
Methane is produced naturally by anaerobic digestion of organic matter
Reactions: Combustion: CH4 + 2O2 -> CO2 + 2H2O
Reaction with halogens: CH4 + Cl2 -> CH3Cl + HCl
Q2. What is chromatography
Chromatography is a technique used to separate and analyze mixtures of chemicals based on their properties.
Chromatography involves passing a mixture through a stationary phase, which separates the components based on their interactions with the stationary phase and mobile phase.
Different types of chromatography include gas chromatography, liquid chromatography, and thin-layer chromatography.
It is commonly used in chemistry labs for identifying and quantifying components in a ...read more
Q3. Formula for sulphuric acid
The formula for sulphuric acid is H2SO4.
Sulphuric acid is a strong mineral acid.
Its chemical formula consists of two hydrogen atoms, one sulphur atom, and four oxygen atoms.
It is commonly used in various industrial processes, such as in the production of fertilizers and batteries.
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