AQA (9-1) Topic 8

Pregunta 1 de 8

1

Artificial colours can be detected and identified using:

Selecciona una de las siguientes respuestas posibles:

Filtration
Paper chromatography
Flame tests
Mass spectrometer

Explicación

Pregunta 2 de 8

1

Rellena el espacio en blanco para completar el texto.

Paper chromatography works because some of the coloured substances are better at dissolving in the liquid than they are at bonding with the paper, so they travel further the paper.

Explicación

Pregunta 3 de 8

1

Selecciona la opción correcta de los menús desplegables para completar el texto.

There are four gases you need to know how to test. Select the correct gas, and fill the blanks for the tests below.

( Hydrogen, Oxygen, Carbon dioxide, Chlorine ) can be tested by placing ( a lighted splint, a glowing splint ) over the end of a test tube, and hearing a 'squeaky pop'.

( Oxygen, Hydrogen, Carbon dioxide, Chlorine ) can be tested by placing a ( glowing splint, lighted splint ) over the end of a test tube, and seeing it relight.

( Carbon dioxide, Oxygen, Hydrogen, Chlorine ) can be tested by bubbling the gas through limewater, and seeing it turn cloudy.

( Chlorine, Oxygen, Hydrogen, Carbon dioxide ) can be tested for by holding ( damp blue, dry blue, damp red, dry red ) litmus paper over the end of a test tube, and seeing it turn ( red, then white, blue, then white ).

Explicación

Pregunta 4 de 8

1

Rellena los espacios en blanco para completar el texto.

Paper chromatography consists of two stages:
the phase (a.k.a. the phase that doesn't move - this is the )
the phase (a.k.a. the phase that moves - this is the )

Explicación

Pregunta 5 de 8

1

Selecciona la opción correcta del menú desplegable para completar el texto.

A formulation is a ( mixture, compound, element ) that has been designed as a useful product.

Explicación

Pregunta 6 de 8

1

Pure substances will melt and boil ❌ temperatures, so we can use the temperature that a substance melts/boils at to tell how ❌ it is. Impure substances will melt ❌ temperatures. If a substance is ❌ it will generally also have a ❌ melting point and a ❌ boiling point.

Arrastra y suelta para completar el texto.

at specific

over a range of

pure

impure

lower

higher

Explicación

Pregunta 7 de 8

1

A pure substance is either a single element, or compound, that is not mixed with any other substance.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 8 de 8

1

GCSE (AQA) Chemistry Test sobre AQA (9-1) Topic 8, creado por https:// revisechemistry.uk el 06/03/2018.

AQA (9-1) Topic 8

Pregunta 1 de 8

Artificial colours can be detected and identified using:

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 2 de 8

Rellena el espacio en blanco para completar el texto.

Paper chromatography works because some of the coloured substances are better at dissolving in the liquid than they are at bonding with the paper, so they travel further the paper.

Explicación

Pregunta 3 de 8

Selecciona la opción correcta de los menús desplegables para completar el texto.

Explicación

Pregunta 4 de 8

Rellena los espacios en blanco para completar el texto.

Paper chromatography consists of two stages:
the phase (a.k.a. the phase that doesn't move - this is the )
the phase (a.k.a. the phase that moves - this is the )

Explicación

Pregunta 5 de 8

Selecciona la opción correcta del menú desplegable para completar el texto.

A formulation is a ( mixture, compound, element ) that has been designed as a useful product.

Explicación

Pregunta 6 de 8

Pure substances will melt and boil ❌ temperatures, so we can use the temperature that a substance melts/boils at to tell how ❌ it is. Impure substances will melt ❌ temperatures. If a substance is ❌ it will generally also have a ❌ melting point and a ❌ boiling point.

Arrastra y suelta para completar el texto.

Explicación

Pregunta 7 de 8

A pure substance is either a single element, or compound, that is not mixed with any other substance.

Selecciona uno de los siguientes:

Explicación

Pregunta 8 de 8

Rellena el espacio en blanco para completar el texto.

If the red spot moved 7 cm, and the solvent moved 9 cm, then what is the Rf value of the red spot? (give answer to 2 d.p.)

Explicación

	Creado por https:// revisechemistry.uk hace alrededor de 6 años

GCSE (AQA) Chemistry Test sobre AQA (9-1) Topic 8, creado por https:// revisechemistry.uk el 06/03/2018.

AQA (9-1) Topic 8

Pregunta 1 de 8

Artificial colours can be detected and identified using:

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 2 de 8

Rellena el espacio en blanco para completar el texto.

Paper chromatography works because some of the coloured substances are better at dissolving in the liquid than they are at bonding with the paper, so they travel further the paper.

Explicación

Pregunta 3 de 8

Selecciona la opción correcta de los menús desplegables para completar el texto.

Explicación

Pregunta 4 de 8

Rellena los espacios en blanco para completar el texto.

Paper chromatography consists of two stages: the phase (a.k.a. the phase that doesn't move - this is the ) the phase (a.k.a. the phase that moves - this is the )

Explicación

Pregunta 5 de 8

Selecciona la opción correcta del menú desplegable para completar el texto.

A formulation is a mixture compound element( mixture, compound, element ) that has been designed as a useful product.

Explicación

Pregunta 6 de 8

Pure substances will melt and boil ❌ temperatures, so we can use the temperature that a substance melts/boils at to tell how ❌ it is. Impure substances will melt ❌ temperatures. If a substance is ❌ it will generally also have a ❌ melting point and a ❌ boiling point.

Arrastra y suelta para completar el texto.

Explicación

Pregunta 7 de 8

A pure substance is either a single element, or compound, that is not mixed with any other substance.

Selecciona uno de los siguientes:

Explicación

Pregunta 8 de 8

Rellena el espacio en blanco para completar el texto.

If the red spot moved 7 cm, and the solvent moved 9 cm, then what is the Rf value of the red spot? (give answer to 2 d.p.)

Explicación

Paper chromatography consists of two stages:
the phase (a.k.a. the phase that doesn't move - this is the )
the phase (a.k.a. the phase that moves - this is the )

A formulation is a ( mixture, compound, element ) that has been designed as a useful product.