Quiz Hukum Kekekalan Massa

Quiz
•
Chemistry
•
10th Grade
•
Medium
LILIS ARIFANA
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada reaksi 4 gram magnesium dengan 10 gram asam klorida dilakukan dalam wadah tertutup menurut persamaan reaksi:
Mg(s) + 2HCl(aq) → MgCl2(s) + H2(g)
Maka jumlah massa zat yang dihasilkan adalah…
14 gram
12 gram
10 gram
8 gram
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam reaksi pembakaran kertas dalam toples tertutup, kita mengamati...
Massa berkurang karena api membakar zat
Massa bertambah karena terbentuk abu
Massa tetap karena zat tidak hilang
Massa berubah karena reaksi kimia
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hukum kekekalan massa menyatakan bahwa...
Semua zat mengembang saat dibakar
Reaksi kimia menghasilkan gas berbahaya
Massa total zat sebelum dan sesudah reaksi tetap
Zat baru lebih berat daripada zat asal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hukum Kekekalan Massa pertama kali dikemukakan oleh ...
John Dalton
Antoine Lavoisier
Robert Boyle
Niels Bohr
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika 10 gram magnesium direaksikan dengan oksigen, dan diperoleh 16 gram magnesium oksida, maka massa oksigen yang bereaksi adalah ...
6 gram
10 gram
16 gram
26 gram
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