
PRE TEST LAJU REAKSI
Authored by Al Muhania
Chemistry
11th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Berapa jumlah atom/partikel dari 0,5 mol atom Na ?
3,01 x 10^23
3,01 x 10^16
30,1 x 10^12
30,1 x 10^23
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Pada suhu dan tekanan tertentu, 1 liter gas NO massanya 1 gram.
Bila diukur pada suhu dan tekanan yang sama, massa 3 liter gas CH4 adalah...
(Ar N = 14; O = 16; C = 12; H = 1)
16 gram
8 gram
4,0 gram
1,6 gram
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Jika diketahui Ar Ca = 40, C = 12, O = 16 dan bilangan Avogadro = 6,02×1023, maka 50 gram CaCO3 mempunyai jumlah molekul .....
3,01 × 1021
3,01 × 1022
6,02 × 1022
3,10 × 1023
1,204 × 1023
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Manakah yang lebih mudah larut?
Garam berupa garam bata dalam air
Garam berupa serbuk dalam air
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Manakah yang lebih cepat larut?
Gula pasir dalam air mendidih
Gula pasir dalam air suhu ruang
Gula pasir dalam air dingin dari kulkas
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Manakah yang larut lebih lambat?
Tablet vitamin effervescent dalam air panas
Tablet vitamin effervescent dalam air suhu ruang
Tablet vitamin effervescent dalam air dingin
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Manakah reaksi yang berlangsung paling lambat?
Satu sendok baking soda dengan 0,1 M larutan cuka
Satu sendok baking soda dengan 0,5 M larutan cuka
Satu sendok baking soda dengan 1 M larutan cuka
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