Formulir tanpa judul

Formulir tanpa judul

86 Qs

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Formulir tanpa judul

Formulir tanpa judul

Assessment

Quiz

others

Practice Problem

Hard

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86 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vitamin C dikenal juga dengan nama ...

asam askorbat
asam asetat
asam glikolat
asam oksalat

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Soal 2: Berat molekul asam askorbat adalah ...

176,13
120,16
198,22
162,05

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Soal 3: Asam askorbat dalam keadaan kering memiliki sifat ...

cukup stabil
sangat reaktif
cepat larut dalam lemak
mudah menguap

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Soal 4: Dalam larutan, asam askorbat cepat dioksidasi oleh ...

udara
basa kuat
alkohol
eter

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Soal 5: Reaksi oksidasi asam askorbat dalam larutan dipercepat oleh ...

beberapa logam, terutama tembaga
udara lembap
glukosa bebas
basa kuat

6.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Soal 6: Jika terkena sinar matahari, asam askorbat akan ...

lambat laun berubah menjadi coklat
langsung terurai menjadi gas
mengendap menjadi kristal putih
bereaksi menghasilkan cahaya

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Soal 7: Timbang seksama asam askorbat sebanyak ...

0,3 gram
0,1 gram
1,0 gram
3,0 gram

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