How many color additives are approved for use today?

• 5

• 7

• 9

• 11

Which color additive is currently the most consumed?

• Citrus Red No. 2

• Allura Red

• Tartrazine

• Sunset Yellow

What is the molecular weight of Allura Red?

• 496.42 g/mol

• 500.00 g/mol

• 450.30 g/mol

• 480.50 g/mol

The color of the Allura Red solution is ______.

• Blue

• Green

• Red

• Yellow

What is the wavelength range for red light?

• 400-450 nm

• 450-480 nm

• 640-700 nm

• 560-600 nm

What is the primary objective of the experiment mentioned in the document?

• To determine the flavor of food dyes

• To measure the nutritional value of food dyes

• To determine the concentration of Allura Red

• To test the safety of food dyes.

Which technique is used to determine the concentration of Allura Red?

• Chromatography

• Spectrophotometry

• Distillation

• Filtration

In Beer’s Law, what does the symbol 'A' represent?

• Absorbance

• Alkalinity

• Amplitude

• Area

In the context of Beer’s Law, what is the relationship between absorbance and concentration?

• Inverse

• Direct

• Exponential

• Logarithmic

In the equation y = mx + b, used in Beer’s Law, what does 'm' represent?

• Mass

• Slope

• Concentration

• Absorbance