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KUIZ MAYA KIMIA 4. MUKA SURAT 44 HINGGA 49

Authored by Mohd.Rohizan Shafie

Science

4th Grade

KUIZ MAYA KIMIA 4. MUKA SURAT 44 HINGGA 49
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nombor nukleon suatu unsur juga dikenali sebagai........................... bagi unsur tersebut.

jisim atom relatif

jisim molekul relatif

berat atom

jisim nukleus suatu unsur.

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

jisim molekul relatif adalah

hasil tambah nombor proton bagi semua unsur dalam molekul

hasil tambah jisim atom relatif bagi semua unsur dalam molekul

hasil tambah semua bilangan proton dan neutron dalam nukleus suatu atom

berat molekul.

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Hitungkan jisim molekul relatif bagi C2H4.

[ JAR: C=12, H=1 ]

13

28

38

10

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Hitungkan jisim molekul relatif bagi NH3.

[ JAR: N=14, H=1 ]

13

28

38

17

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Hitungkan jisim molekul relatif bagi O2.

[ JAR: O=16 ]

13

28

32

17

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Hitungkan jisim molekul relatif bagi CO2.

[ JAR: C=12, O=16 ]

44

28

32

17

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Hitungkan jisim molekul relatif bagi CuCl2.

[ JAR: Cu=64, O=35 ]

44

28

134

17

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