
ulangan harian "lambang unsur, rumus kimia dan persamaan reaksi"
Authored by noer hardianty
Chemistry
10th Grade
Used 39+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ni merupakan lembang unsur dari....
Natrium
Neon
Nikel
Nitrit
Nitrat
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jumlah atom kalsium dalam senyawa kapur Ca(OH)2 adalah....
1
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rumus kimia dari metana (gas alam) adalah....
CH4
C2H5OH
Na2CO3
H2SO4
HCl
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rumus empiris dari rumus molekul etana C2H6 adalah....
CH2O
C2H2O
CH2O2
CH3
C2H2O2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Lambang unsur dari besi, perak dan barium adalah....
B, Be, Ba
S, Fe, B
Ag, Fe, Ba
Fe, Ag, Ba
Au, Fe, Ca
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui persamaan reaksi berikut :
berapakah koefisien Al?
1
2
3
4
5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui persamaan reaksi berikut :
berapakah koefisien ?
1
2
3
4
5
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