Gas Tests and Qualitative Analysis

Gas Tests and Qualitative Analysis

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers qualitative analysis of salts, focusing on identifying cations and anions through physical and chemical properties. It discusses the effects of heat on salts, the color and solubility of various salts, and how to infer the presence of ions based on residue color. The tutorial also explains gas identification in experiments, providing insights into the chemical behavior of different salts.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal of qualitative analysis in chemistry?

To calculate the molecular weight of compounds

To determine the quantity of substances in a mixture

To identify the substances present in a mixture

To measure the pH level of a solution

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which metal is described as having a silvery color due to its shiny gray appearance?

Lead

Iron

Copper

Zinc

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What color does zinc oxide appear when it is hot?

White

Black

Brown

Yellow

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which salt is typically blue in both solid and aqueous states?

Calcium carbonate

Iron(II) sulfate

Copper(II) sulfate

Sodium chloride

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the color of iron(III) salts in solid form?

Green

Blue

Brown

White

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What inference can be made if a residue is black after heating a salt?

The salt contains iron(III) ions

The salt contains copper(II) ions

The salt contains zinc ions

The salt contains lead ions

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas test indicates the presence of a carbonate salt?

The gas changes blue litmus paper to red

The gas turns lime water cloudy

The gas ignites a glowing splinter

The gas smells pungent and alkaline

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