Latihan pengetahuan

Latihan pengetahuan

11th Grade

10 Qs

quiz-placeholder

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Latihan pengetahuan

Latihan pengetahuan

Assessment

Quiz

Chemistry

11th Grade

Easy

Created by

Indardwi Musyadi

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Apa yang terjadi jika suhu reaksi dinaikkan?

A. Laju reaksi menurun

B. Laju reaksi tetap

C. Laju reaksi meningkat

D. Reaksi berhenti

2.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

2. Mengapa tablet vitamin C lebih cepat larut jika dihancurkan terlebih dahulu?

A. Mengubah warna tablet

B. Memperbesar luas permukaan

C. Mengurangi massa tablet

D. Meningkatkan suhu

3.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

3. Apa fungsi dari katalis dalam reaksi kimia?

A. Mengubah hasil reaksi

B. Menghambat laju reaksi

C. Mempercepat reaksi tanpa ikut bereaksi

D. Menambah massa reaktan

4.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

4. Makanan cepat basi jika diletakkan di suhu ruang karena

A. Konsentrasi air meningkat

B. Suhu tinggi memperlambat reaksi

C. Suhu tinggi mempercepat pertumbuhan mikroorganisme

D. Konsentrasi udara menurun

5.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

  1. Semakin tinggi konsentrasi larutan asam, maka laju reaksinya akan

A. Lebih lambat

B. Tidak berubah

C. Lebih cepat

D. Terhenti

6.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

  1. Mengapa potongan apel berubah warna menjadi cokelat saat terkena udara

A. Karena kadar airnya berkurang

B. Karena reaksi dengan cahaya

C. Karena reaksi enzim dengan oksigen

D. Karena terbakar

7.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

7. Pengaruh penggunaan katalis dalam suatu reaksi adalah..

A. Menurunkan suhu reaksi

B. Menghilangkan reaktan

C. Menurunkan energi aktivasi

D. Menambah hasil reaksi

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