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Science

6th - 10th Grade

NGSS covered

Used 3+ times

Understanding Redox Reactions
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of electrons in chemical bonding?

They are exchanged in all chemical reactions.

They prevent atoms from bonding with each other.

They enable atoms to bond with each other to form molecules.

They are only involved in covalent bonds.

Tags

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'redox' stand for?

Reactive and oxygen

Red energy and oxidation

Reduction or oxygen

Reduction and oxidation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is oxygen considered the quintessential oxidizer?

It donates electrons to other molecules.

It stabilizes molecules by adding electrons.

It pulls electrons off of one molecule to make itself more stable.

It always gains protons in reactions.

Tags

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the mnemonic 'OILRIG' stand for?

Oxidation is light, reduction is gravity

Oxygen in layers, reduction in gas

Oxidation is loss of electrons, reduction is gain of electrons

Oxygen is light, reduction is gain

Tags

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation state of oxygen in most compounds?

-1

+1

0

-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine the oxidation state of sulfur in SO4^2-?

It is always 0 in compounds

Using third-grade algebra based on the compound's overall charge

By assuming it's always +6

By subtracting the number of hydrogens

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the Haber process used for?

Creating water from hydrogen and oxygen

Converting atmospheric nitrogen into ammonia

Producing oxygen for industrial use

Extracting silver from its ore

Tags

NGSS.HS-PS1-6

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