Separation Techniques

Questão 1 de 8

1

A mixture is made up of lots of substances that are chemically joined together.

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VERDADEIRO
FALSO

Explicação

Questão 2 de 8

1

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In a mixture, the substances ( are not, are ) chemically joined together, it ( is, is not ) easy to separate, you ( can, cannot ) change the amounts of each substance and the substances in a mixture ( keep, do not keep ) their own properties.
In a compound, the substances ( are, are not ) chemically joined together, it ( is not, is ) easy to separate, you ( cannot, can ) change the amounts of each substance and the substances in a mixture ( do not keep, keep ) their own properties.

Explicação

Questão 3 de 8

1

How can you tell whether a substance is pure or impure?

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Pure substances have sharp melting points.
Pure substances do not have sharp melting points.
Impure substances have sharp melting points.
Impure substances do not have sharp melting points.

Explicação

Questão 4 de 8

1

A solution is a mixture of a liquid with a solid or a gas. The liquid is called is called the solvent. The solid or gas is called the solute.

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VERDADEIRO
FALSO

Explicação

Questão 5 de 8

1

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In a coffee solution, the coffee beans dissolve into water. This makes the coffee beans the and the water the .

Explicação

Questão 6 de 8

1

Clique em cada ponto laranja e selecione a resposta correta.

Which of these is particles in a solid, which is particles in a liquid, and which is particles in a solution?

Explicação

Questão 7 de 8

1

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When you dissolve sugar in water, eventually the water cannot dissolve any more sugar. At that point, the water is a .

Explicação

Questão 8 de 8

1

If in 100g of water at 20 degrees Celsius, the solubility of sugar was 202 and the solubility of salt was 36, then the ❌ is more soluble than the ❌ in 100g of water at 20 degrees Celsius.

Arraste e solte para completar o texto.

sugar

salt

	Criado por jlgale2016 mais de 10 anos atrás

KS3 Sciences (Chemistry) Quiz sobre Separation Techniques, criado por jlgale2016 em 04-06-2016.

Separation Techniques

Questão 1 de 8

A mixture is made up of lots of substances that are chemically joined together.

Selecione uma das opções:

Explicação

Questão 2 de 8

Selecione das listas do Menu para completar o texto.

Explicação

Questão 3 de 8

How can you tell whether a substance is pure or impure?

Selecione uma ou mais das seguintes:

Explicação

Questão 4 de 8

A solution is a mixture of a liquid with a solid or a gas. The liquid is called is called the solvent. The solid or gas is called the solute.

Selecione uma das opções:

Explicação

Questão 5 de 8

Preencha os espaços em branco para completar o texto.

In a coffee solution, the coffee beans dissolve into water. This makes the coffee beans the and the water the .

Explicação

Questão 6 de 8

Clique em cada ponto laranja e selecione a resposta correta.

Which of these is particles in a solid, which is particles in a liquid, and which is particles in a solution?

Explicação

Questão 7 de 8

Preencha o espaço em branco para completar o texto.

When you dissolve sugar in water, eventually the water cannot dissolve any more sugar. At that point, the water is a .

Explicação

Questão 8 de 8

If in 100g of water at 20 degrees Celsius, the solubility of sugar was 202 and the solubility of salt was 36, then the ❌ is more soluble than the ❌ in 100g of water at 20 degrees Celsius.

Arraste e solte para completar o texto.

Explicação