Pengaratan besi

Pengaratan besi

1st - 5th Grade

10 Qs

quiz-placeholder

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Pengaratan besi

Pengaratan besi

Assessment

Quiz

Chemistry

1st - 5th Grade

Practice Problem

Hard

Created by

NG YOOK CHIN

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

Pengaratan besi berlaku akibat kehadiran _________________.

air

minyak

oksigen

hidrogen

2.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Pengaratan besi ialah tindak balas _____.

3.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Oksigen bertindak sebagai agen ________________.

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Logam dioksidakan secara spontan apabila atom logam membebaskan elektron membentuk ion logam. Apakah yang dimaksudkan oleh pernyataan di atas?

penyesaran logam

kakisan logam

pengaratan besi

tindak balas redoks

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Secara umumnya, semakin elektropositif suatu logam, semakin mudah logam terkakis.

Jadi, kakisan logam kuprum lebih cepat daripada logam zink.

Benar

Palsu

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Tabung uji yang manakah paku besinya tidak berkarat?

I

II

III

IV

7.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Fungsi larutan kalium heksasianoferat(III) adalah untuk mengesan kehadiran ion ________________.

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