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Kesan kehadiran mangkin ke atas kadar tindak balas

Authored by nur aca

Chemistry

2nd Grade

Kesan kehadiran mangkin ke atas kadar tindak balas
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apakah itu mangkin?

Bersifat asid

Bahan kimia yang menghakis

Bahan kimia yang mengubah kadar tindak balas tanpa mengalami sebarang perubahan kimia pada akhir tindak balas

Bahan kimia yang merengsa

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Adakah kuantiti mangkin akan berkurang selepas tindak balas berlaku?

ya

tidak

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sifat fizik mangkin kebiasaanya berubah ketika tindak balas berlaku

tidak

ya

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pertambahan mangkin tidak mempengaruhi kadar tindak balas

ya

tidak

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Hubungan kesan kehadiran mangkin dengan kadar tindak balas

(a)  

6.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Apakah mangkin bagi aktiviti toothpaste elephant?

(a)  

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