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اختبار الكتروني درس Matter and its Characteristics
اختبار الكتروني درس Matter and its Characteristics
نسخ
تكرار
1
The color property is a distinguishing factor between.........
table salt and flour
iron and gold
oxygen and nitrogen
oxygen and carbon dioxide
2
The taste property is a distinguishing factor between...........
milk and honey
wood and gold
silver and plastic
oxygen and nitrogen
3
The smell property is a distinguishing factor between .....
iron and copper
vinegar and perfume
wood and plastic
silver and iron
4
The density of a substance is a........property
chemical
physical
biological
.(a) and (b)
5
Density of a matter=..........
mass ÷volume
volume÷mass
Mass×Volume
Mass+Volume
6
Desity of red copper is 8.8 gm/cm3 means........
the mass of the volume unit of red copper equals 8.8 gm
the mass of the volume of red copper does not equal 8.8 gm
the mass of 10 cm3 of red copper equals 8.8 gm
the mass of the volume unit of red copper equals 0.8gm
7
Equal masses of different substances have ..........volumes
similar
different
constant
equal
8
-....is from the substances that float on water surface
Iron
Copper
Cork
Aluminium
9
A piece of metal ,whose mass is 25 gm and its volume is 10 cm3 .when it is placed in water it will ........(water density 1 gm/cm3)
float
sink
suspend
dissolve
10
The mass of a piece of rock whose density is 2.8 gm/cm3 s 28 gm, so the density of 280 gm of it is.........gm/cm3
280
28
2,8
28,5
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