Makromolekul

Quiz
•
Chemistry
•
12th Grade
•
Medium
Used 10+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sifat karet alam menjadi lebih baik jika dicampur dengn sulfur (belerang) sehingga dapat dihasilkan ban kendaraaan bermotor seperti sekarang ini. perubahan sifat tersebut disebabkan terjadinya interaksi antara karet alam dn sulfur. Fungsi dalam memperbaiki sifat karet alam adalah sebagai..
jembatan sulfur
katalis
inisiator
prekursor
aditif
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
struktur DNA yang berbentuk spiral (α-helix) disebabkan karena adanya...
ikatan kovalen antar gugus gula
ikatan hidrogen antar gugus gula
ikatan kovalen antar basa nukleitida
gaya dipol-dipol anatar basa nukleotida
ikatan peptida anatar basa nukleotida
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Natrium benzoat adalah zat aditif yang digunakan sebagai
pewarna
penguat rasa
pencegah pembusukan
pemberi rasa manis
pencegah oksidasi
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Polimer berikut termasuk polimer termoplas, kecuali..
dakron
paralon
poliester
bakelit
nilon
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Larutan protein dapat bereaksi dengan asam maupun basa, ini menunjukkan bahwa protein bersifat...
kovalen
basa lemah
asam lemah
netral
amfoter
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
perhatikan lima buah polimer di bawah ini.1. polivinil asetat 2. polisakarida, 3. poliisoprena, 4. polivinil klorida, 5.poli etena. Pasangan polimer yang termasuk polimer alam adalah..
1 dan 2
2 dan 3
2 dan 4
3 dan 4
3 dan 5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suatu karbohidrat dengan pereaksi Fehling akan memberikan endapan merah bata, dan jika dihidrolisis akan menghasilkan dua macam karbohidrat yang berlainan . zat tersebut adalah...
maltosa
sukrosa
selulosa
amilum
laktosa
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