Vitamin C DCPIP Quiz

Test

Jugadas 0

Crear copia

Sobre esta actividad

Vitamin C DCPIP test facts

Creada por

'AATHIRAH MASSARAH AHMAD SAHIMI

Malasia

Descarga la versión para jugar en papel

Top 10 resultados

Todavía no hay resultados para este juego. ¡Sé el primero en aparecer en el ranking! Inicia sesión para identificarte.

Crea tu propio juego gratis desde nuestro creador de juegos

Compite contra tus amigos para ver quien consigue la mejor puntuación en esta actividad

Crear reto

Cultura general española

Ernest Serret

España

(101)

Responde las siguientes preguntas
Brawl stars preguntas

Carlos Andrés Prieto Rodríguez

Colombia

(165)

Completa todas las preguntas
Verbos irregulares en Inglés

Hélmer González Serrano

Colombia

(314)

Se presentan 10 preguntas, cada una con 4 opciones de respuesta. Seleccione la que considere correcta.
cuanto sabes de Futbol

hugo estay

Chile

(322)

este test esta basado en las diapositivas que pudimos ver con anterioridad, consta de 10 preguntas las cuales tienen alternativas para poder resolverlas.
Tipos de sintagmas (II)

idoia rubio

España

(945)

Actividades interactivas para reconocer los distintos tipos de sintagmas

		%
	Anónimo	%
		%
		%

Imprime tu juego

Vitamin C DCPIP Quiz


Vitamin C DCPIP QuizVersión en línea Vitamin C DCPIP test facts por 'AATHIRAH MASSARAH AHMAD SAHIMI 1 What color is DCPIP solution before reduction by vitamin C? a Colorless b Blue c Yellow d Green 2 What happens to DCPIP when vitamin C is present in the sample? a It is oxidized and turns red b It is reduced and becomes colorless c It turns green from blue d It remains blue 3 Which instrument is commonly used to quantify the vitamin C content in DCPIP assays? a pH meter b Balance c Thermometer d Spectrophotometer 4 What is the purpose of using a blank in the DCPIP assay? a Add vitamin C to start the reaction b Calibrate zero absorbance c Measure pH d Set the color to blue 5 Which factor can falsely lower the apparent vitamin C content in a sample? a Vitamin C stability b Other reducing agents present c Water content only d Temperature alone 6 What indicates the reaction is complete in a DCPIP assay? a Color change from blue to colorless b DCPIP disappears entirely c DCPIP turns red d No change in color 7 What unit is commonly used to report vitamin C content in foods? a g per serving b mg per L c IU d mg per 100 g 8 How can sample preparation affect assay accuracy? a Using whole fruit without juice b Using hot water only c Not homogenizing d Proper dilution to fit the standard curve 9 Why is the DCPIP test considered a colorimetric method? a It relies on a color change to indicate concentration b It requires fluorescence data c It measures pH only d It uses radioactive labels 10 Which form of vitamin C is being measured by the DCPIP assay? a Ascorbic acid (ascorbate) b Beta-carotene c Vitamin K d Vitamin E Feedback 1 Blue DCPIP is reduced by vitamin C, causing a color change. 2 Vitamin C reduces DCPIP, changing it from blue to colorless. 3 A spectrophotometer measures absorbance changes during the reaction. 4 The blank sets a baseline so absorbance is measured correctly. 5 Other reducing substances can also reduce DCPIP, skewing results. 6 Completion is shown by the blue dye turning colorless as it’s reduced. 7 Most nutritional data express vitamin C as milligrams per 100 grams. 8 Samples must produce readings within the standard curve range for accuracy. 9 Concentration is inferred from the observed color change of DCPIP. 10 The assay targets ascorbic acid as the reducing agent.

Puedes integrar el juego en un LMS compatible con LTI 1.1 o LTI 1.3 como Canvas, Moodle, o Blackboard. De esta manera podrás guardar las puntuaciones automáticamente en el libro de calificaciones de esa plataforma.

Vitamin C DCPIP Quiz

Test

Sobre esta actividad

Creada por

Descarga la versión para jugar en papel

Top juegos

Test

Cultura general española

Test

Brawl stars preguntas

Test

Verbos irregulares en Inglés

Test

cuanto sabes de Futbol

Test

Tipos de sintagmas (II)

Vitamin C DCPIP QuizVersión en línea

por 'AATHIRAH MASSARAH AHMAD SAHIMI

What color is DCPIP solution before reduction by vitamin C?

What happens to DCPIP when vitamin C is present in the sample?

Which instrument is commonly used to quantify the vitamin C content in DCPIP assays?

What is the purpose of using a blank in the DCPIP assay?

Which factor can falsely lower the apparent vitamin C content in a sample?

What indicates the reaction is complete in a DCPIP assay?

What unit is commonly used to report vitamin C content in foods?

How can sample preparation affect assay accuracy?

Why is the DCPIP test considered a colorimetric method?

Which form of vitamin C is being measured by the DCPIP assay?

Feedback