Tds Placements Services Quality Control Officer Interview Questions, Process, and Tips

The principles of UV, IR, and pH are important in quality control.

• UV (ultraviolet) radiation is used for sterilization and disinfection.

• IR (infrared) radiation is used for temperature measurement and analysis.

• pH (potential of hydrogen) is a measure of acidity or alkalinity in a substance.

• UV, IR, and pH are all critical factors to consider in quality control processes.

The atomic number of sodium is 11.

• Sodium has an atomic number of 11.

• The atomic number represents the number of protons in an atom's nucleus.

• Sodium's atomic number indicates that it has 11 protons.

• The atomic number is used to identify and classify elements in the periodic table.

The chemical formula of sulphuric acid is H2SO4.

• Sulphuric acid is a strong acid used in various industries.

• It is composed of hydrogen, sulfur, and oxygen atoms.

• The formula indicates that there are two hydrogen atoms, one sulfur atom, and four oxygen atoms in each molecule of sulphuric acid.

The chemical formula of sulphuric acid is H2SO4.

• Sulphuric acid is a strong acid used in various industries.

• It is a colorless, odorless, and oily liquid.

• It is highly corrosive and can cause severe burns.

• It is commonly used in the production of fertilizers, detergents, and batteries.

• The formula H2SO4 indicates that each molecule of sulphuric acid contains two hydrogen atoms, one sulphur atom, and four oxygen atoms.