Óxido

Óxido

Assessment

Interactive Video

Science, Physics, Chemistry

4th - 9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video explains that water (H2O) and rust (iron oxide) are examples of oxides. It highlights that the Earth's crust is predominantly composed of oxides, with silicon dioxide making up 60%, aluminum oxide 15%, and the remainder consisting of other metal oxides.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of an oxide?

Carbon dioxide

Ammonia

Methane

Water

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of Earth's crust is made up of silicon dioxide?

30%

45%

60%

75%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the main component of sand and quartz?

Silicon dioxide

Aluminum oxide

Iron oxide

Calcium carbonate

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate percentage of aluminum oxide in Earth's crust?

25%

10%

15%

20%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Besides silicon and aluminum oxides, what else mainly composes Earth's crust?

Organic compounds

Other metal oxides

Non-metallic elements

Gaseous elements

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