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Mama L [17]
3 years ago
10

What does calibrating the cabbage pH indicator mean

Chemistry
2 answers:
bija089 [108]3 years ago
4 0

Answer:

Explanation:

Red cabbage juice is a natural indicator for measuring the pH of solutions. ... in the presence of acids and bases to help indicate the pH value.

goblinko [34]3 years ago
3 0

Answer:

Calibrating the cabbage pH indicator means creating a color key based on solutions that have known pH values.

Explanation:

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Use your data to form hypothesis relating the amount of light to the rate of photosynthesis.
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2 years ago
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Which of the following describe chemical properties?
KengaRu [80]
Sugar burns in air.....................................
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Teniendo en cuenta los siguientes fenómenos: ebullición del agua- movimiento de un cuerpo- disolución de sal en agua- combustión
miv72 [106K]

Answer:

Las siguientes son reacciones químicas;

combustión de leña

oxidación del hierro

descomposición del agua en hidrógeno y oxígeno

Explanation:

Una reacción química da como resultado la formación de una (s) sustancia (s) nueva (s), mientras que un cambio físico no conduce a la formación de una sustancia nueva.

Las siguientes son reacciones químicas;

combustión de leña: la combustión de madera implica la oxidación del carbono según la reacción; C (s) + O2 (g) -------> CO2 (g)

oxidación del hierro: La oxidación del hierro conduce a la formación de óxidos de hierro. Como; 2Fe (s) + O2 (g) ----> 2FeO (s)

descomposición del agua en hidrógeno y oxígeno: esta es una reacción química en la que el agua se descompone de la siguiente manera; 2H2O (l) -----> 2H2 (g) + O2 (g)

Todos estos procesos enumerados anteriormente conducen a la formación de nuevas sustancias, por lo tanto, son reacciones químicas.

3 0
2 years ago
What will the outcome of putting litumus paper into distilled water
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3 years ago
What describes a mixture
kirill [66]

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a mixture is a material made up of two or more different substances which are physically combined.

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