
mescles i substàncies pures
Authored by Carles Muñoz
Science
8th Grade
Used 10+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'aigua de l'aixeta és ...
Una substància pura
Una mescla homogènia
Una mescla heterogènia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Posem una culleradeta de sucre dins un vas que conté aigua.
Quin tipus de mescla obtenim?
MESCL HOMOGÈNIA
MESCLA HETEROGÈNIA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina de les següents substàncies NO és heterogènia?
AIGUA + OLI
AIGUA + SOFRE
AIGUA + SORRA
AIGUA + SUCRE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observa la dissolució que tenim després d'afegir-hi el sucre. Podem dir que tenim una dissolució ...
DILUIDA
CONCENTRADA
SATURADA
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Posem una culleradeta de sucre dins un vas que conté aigua i remenem.
Com anomenem a l'aigua?
DISOLVENT
SOLUT
DISOLUCIÓ
SUSPENSIÓ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'aigua (H2O), el diòxid de carboni (CO2), el butà (C4H10) o el clorur de sodi (NaCl) són compostos químics.
Un COMPOST QUÍMIC és una substància en la que . . .
Al seu interior hi podem trobar diferents tipus d’àtoms agrupats
Té tots els àtoms iguals
Hi ha una mescla de substàncies
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina de les següents substàncies NO és un element?
Rubidi
Sodi
Liti
Sal
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