STS KIMIA X SMAN 14 WAJO
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Lismawati Lismawati
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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Penemu electron adalah….
William Crookes
Goldstein
James Chadwick
Sir Humphry Davy
J.J Thomson
2.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Penulisan yang tepat benar untuk 1 molekul asam sulfat, dimana setiap molekulnya tersusun dari 2 Atom Hidrogen, 1 atom Belerang dan 4 atom Oksigen adalah….
2HSO4
H2S4O
H2SO4
2HSO4
2H2SO4
3.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Logam magnesium direaksikan dengan larutan asam
klorida membentuk larutan magnesium klorida dan gas hidrogen, maka persamaan reaksi kimia yang benar adalah ….
Mg(s) + 2HCl(aq) → MgCl(aq) + H2(g)
Mg(s) + 2HCl(aq) → MgCl2(aq) + 2H2(g)
2Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
2Mg(s) + 2HCl(aq) → Mg2Cl(aq) + H2(g)
4.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Atom Magnesium punya proton 12 dan massa 24
Lambang atomnya adalah…
Ma
Mg
Mn
Mi
Me
5.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Senyawa besi(II) sulfat mempunyai rumus kimia….
BeSO4
FeSO4
Fe2SO4
Fe3SO4
Be2SO4
6.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Nama dari senyawa N2O5 adalah….
Dinitrogen Oksida
Nitrogen dioksida
Nitrogen Oksida
Nitrogen trioksida
Nitrogen pentaoksida
7.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Perhatikan Persamaan reaksi berikut ini.
a N2 (g ) + b H2 (g ) → c NH3 (g) .
Apabila persamaan reaksi telah disetarakan maka nilai a, b dan c adalah…..
1, 2, dan 3
1, 3, dan 4
1, 3, dan 2
3, 2, dan 1
3, 1, dan 3
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