Chemistry Quiz exam 2

Chemistry Quiz exam 2

University

40 Qs

quiz-placeholder

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Chemistry Quiz exam 2

Chemistry Quiz exam 2

Assessment

Quiz

Chemistry

University

Easy

NGSS
HS-PS1-7, HS-PS1-1, HS-PS3-4

+7

Standards-aligned

Created by

julian sanchez

Used 15+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write a balanced equation for the reaction of molecular nitrogen (N₂) and oxygen (O₂) to form dinitrogen pentoxide.

The balanced equation has 5 N₂

The balanced equation has 2 O₂

The balanced equation has 5 N₂O₅

The balanced equation has 5 N₂

None of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Categorize the reaction Ca (s) + Br₂ (l) → CaBr₂ (s).

Combination and Redox

Combination only

Redox only

Decomposition and Redox

None of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balance the redox reaction in acid solution: Br₂ (l) + SO₂ (g) → Br⁻ (aq) + SO₄²⁻ (aq).

The balanced equation has 2 H⁺

The balanced equation has 1 Br⁻

The balanced equation has 2 Br₂

The balanced equation has 2 H₂O

None of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the reaction: 2 Na (s) + Cl₂ (g) → 2 NaCl (s)

Sodium is the oxidizing agent

Chlorine is the reducing agent

Sodium is the oxidant

Chlorine is the reductant

None of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge on nitrogen in KNO₃?

1+

2-

3-

5+

None of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the % Cl⁻ in a sample if 1.1324 g of the sample produces 1.0881 g of AgCl(s) when treated with excess Ag⁺ according to the balanced reaction: Ag⁺(aq) + Cl⁻(aq) → AgCl(s)?

76.24 %

0.2691 %

86.33 %

23.76 %

None of the above

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What volume of a 0.3300-M sodium hydroxide would be required to titrate 15.00 mL of 0.1500 M oxalic acid? The balanced chemical equation is: H₂C₂O₄(aq) + 2 NaOH(aq) → Na₂C₂O₄(aq) + 2 H₂O(l).

6.818 mL

0.0045 L

0.01364 L

33.00 mL

None of the above

Tags

NGSS.HS-PS1-7

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