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Chemistry Challenge for Grade 11

Authored by mafira salma

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University

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Chemistry Challenge for Grade 11
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapa nomor atom dari Karbon?

12

7

5

6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Gas mulia manakah yang berikut ini?

Helium

Oksigen

Nitrogen

Karbon Dioksida

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa rumus kimia untuk air?

CO2

H2O

NaCl

H2O2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elemen manakah yang memiliki elektronegativitas tertinggi?

Karbon

Nitrogen

Oksigen

Fluorin

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jenis ikatan apa yang terbentuk ketika elektron dibagikan?

Ikatan logam

Ikatan kovalen

Ikatan ionik

Ikatan hidrogen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapa pH dari larutan netral?

6

8

5

7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Manakah di antara berikut ini yang merupakan logam alkali?

Kalsium (Ca)

Tembaga (Cu)

Sodium (Na)

Besi (Fe)

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