
US KIMIA-IPA
Quiz
•
Chemistry
•
1st - 10th Grade
•
Practice Problem
•
Hard
Kurukulum 2013
Used 3+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Langkah-langkah kerja berikut ini diperlukan ilmuwan dalam mengembangkan ilmu kimia.
1. Pengkajian teori
2. Perumusan masalah
3. Merumuskan hipotesis
4. Melakukan Eksperimen
5. Pengolahan Data
6. Mengumpukan Data
7. Membuat laporan
8. Mengambil Kesimpulan.
Urutan langkah kerja sesuai metode ilmiah yaitu...
3 – 2 – 5 – 8 – 1 – 3 – 6 – 7
2 – 1 – 3 – 4 – 6 – 5 – 8 – 7
4 – 7 – 2 – 8 – 5 – 3 – 1 – 6
2 – 5 – 3 – 6 – 7 – 1 – 4 – 8
1 – 2 – 3 – 4 – 5 – 6 – 7 – 8
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan data 5 notasi unsur (bukan lambang sebenarnya) di bawah ini! Hubungan yang tepat satu dengan yang lainnya adalah...
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika atom dan membentuk senyawa sesuai aturan oktet, maka bentuk molekul dan sifat kepolarannya adalah….
Linear dan non polar
Oktahedral dan non polar
Tetrahedaral dan non polar
Trigonal piramidal dan polar
Segi tiga bipiramidal dan polar
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan senyawa-senyawa berikut!
(1) CH4
(2) C2H5OH
(3) HI
(4) HF
(5) H2S
Senyawa yang antar molekulnya terdapat ikatan hidrogen adalah ....
(1) dan (2)
(1) dan (3)
(2) dan (4)
(3) dan (4)
(4) dan (5)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dua belas gram magnesium direaksikan dengan 100 mL larutan HCl 5 M menurut reaksi:
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
Massa magnesium khlorida yang dihasilkan banyaknya adalah...
(Ar Mg = 24; Ar Cl=35,5; Ar H=1)
38,50 gram
37,00 gram
27,50 gram
23,75 gram
21,50 gram
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hasil produksi asam sulfat lebih banyak menggunakan proses kontak dibanding dengan proses kamar timbal. Melalui proses kontak, kadar asam sulfat yang diperoleh 98%. Bila massa jenis asam sulfat pekat sebesar 1,8 g/mL, molaritasnya adalah.... (Ar: H=1, S=32, O=16)
12,00 M
14,00 M
16,00 M
18,00 M
20,00 M
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan data hasil uji daya hantar listrik terhadap beberapa larutan berikut!
Berdasarkan data tersebut, pasangan larutan yang merupakan elektrolit lemah, ditunjukkan pada nomor...
(1) dan (2)
(1) dan (3)
(2) dan (4)
(3) dan (5)
(4) dan (5)
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