Test
Combined Sciences
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Preguntas del test (24)
1What is a material system
- APortion of solid matter that is taken to be studied.
- BPortion of matter taken to be studied.
- CPortion of the universe taken to be studied.
- DMatter.
2In a material system, intesive properties...
- A...remain constant among the phases.
- Bdon't remain constant among the phases.
- Coption a and b
- DNone of the options
3Material systems are made out of...
- Aelements
- Bsubstances
- Cmaterials
- Dcomponents
4The difference between solution and mixture is that...
- Aa solution is only liquid and a mixture solid.
- BA solution is homogeneous and a mixture heterogeneous
- Csolution is only solid and mixture only liquid
- Da solution is heterogeneous and a mixture homogeneous
5In a solution that contains sugar and water
- Athe solute is the sugar and the solvent is water
- Bthe solute is water and the solvent is sugar
- CDepending on the concentration
- DNone of the answers
6An homogeneous solution contains
- Aone phase and more than one component
- Btwo or more phases and one component
- Cone phase and one component
- Dno phases and more than one component
7An heterogeneous solution contains...
- AOne phase and more than one component
- BTwo phases and more than one component
- CMore than one phase and one component
- DMore than one phase and more than one component
8In a homogeneous system...
- Aintensive properties remain constant
- Bintensive properties don't remain constant
- Cintensive properties are the same that components have
9A mixture that contains water, salt and oil has...
- AThe same number of phases than components
- BDifferent number of phases than components
- CNone of the options
10An over saturated system is...
- AHomogeneous
- BHeterogeneous
11A saturated system is...
- Ahomogeneous
- Bheterogenous
12The solvent is....
- Aalways liquid
- Balways solid
- Calways gaseous
- Din the three states
- ENone of the options
13The solute is
- Aalways liquid
- Balways solid
- Calways gaseous
- Din the three states
- ENone of the options
14Concentration is
- Athe relationship between the mass of the solute and the volume of the solvent
- Bthe relationship between the solute and the solvent
- Cthe property that express the amount of solute and solvent that a solution has
15Filtration is used to....
- ASeparate liquids and solids
- Btwo solids
- Conly liquids
- Doption a and b
16Sedimentation
- AUses intensive properties to separate the components
- BUses extensive properties to separate the components
- CUses both properties
17Sieving is used for...
- ALiquids only
- BSolids only
- CBoth
- DNone
18In centrifugation,
- Asmall particles remain at the bottom and bigger particles at the top
- Bsmall particles remain at the top and bigger particles at the bottom
- CIt depends on the weight, not the size.
19Decantation uses...
- Athe weight
- Bthe solubility
- Cthe density
20For separating two liquids, the method used is
- Afiltration
- Bmagnetization
- Cdecantation
21For separating two solids, the method used is
- AImantation
- BCentrifugation
- CSieving
- DFlotation
- EAll of the methods
- FOnly a, b and c
22In order to separate a mixture that contains water and iron...
- Afiltration can be used
- Bmagnetization can be used
- CFlotation can be used
- DNone
- Eoption a and b
23If we want to separate water from sand...
- Afiltration is the best option
- Bsieving is the best option
- CSedimentation is the best option
24if we want to separate water from oil
- ACentrifugation is the best option
- BDecantation is the best option
- CFiltration is the best option
Información
- Descripción
- Preguntados Material Systems
- Autor
- Paula Ridi
- Idioma
- Español
- Visitas
- 2
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test