chemical analysis

chemical analysis

12th Grade

10 Qs

quiz-placeholder

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chemical analysis

chemical analysis

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

Ahmedy Aly

Used 60+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Q1: Which of the following is not an example of qualitative chemical analysis?

Determining the concentration of a compound in a solution

Identifying the anionic groups in a compound

Identifying the functional group in a molecule

Determining the elemental composition of a molecule

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Chemical analysis can be split into two types: qualitative and quantitative. Which statement best describes the difference between them?

Qualitative analysis aims to identify the composition of a substance, whereas quantitative analysis aims to determine the mass, percentage composition, or concentration of a substance.

Qualitative analysis can be used to identify the cation in a compound, whereas qualitative analysis can be used to identify the anion in a compound.

Qualitative analysis aims to identify the chemical properties of a substance, whereas quantitative analysis aims to identify the physical properties.

Qualitative analysis aims to determine the mass, percentage composition, or concentration of a substance, whereas quantitative analysis aims to identify the composition of a substance.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Chemical analysis can be used to determine the amount of glucose present in a person. In which scientific field is this analysis important?

Environmental

Industrial

Medical

Food chemistry

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

For each of the following anions, which statement best describes the experimental procedure used to test for it?

A sulfite anion

Adding an equal volume of dilute HCl

,followed by heating, which results in production of a gas that turns filter paper soaked in acidified aqueous K2Cr2O7

from orange to green.

Adding an equal volume of dilute NaOH

,followed by heating, which results in production of a gas that turns moist litmus paper blue

Adding an aqueous ammonia solution, which produces a yellow precipitate

Adding an equal volume of dilute nitric acid, followed by silver nitrate, which gives a white precipitate

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

For each of the following anions, which statement best describes the experimental procedure used to test for it?A carbonate anion

Adding dilute NaOH

,which results in production of a gas that relights a glowing splint

Adding an equal volume of dilute nitric acid, followed by silver nitrate, which gives a white precipitate

Adding an aqueous ammonia solution, which produces a green precipitate

Adding dilute hydrochloric acid, which results in production of a gas that turns limewater cloudy

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

The image shows a series of tests carried out on an unknown sodium salt, What formula is the unknown sodium salt likely to have?

Na3PO4

NaHCO3

Na2S

Na2S2O3

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Which of the solutions of sodium salts shown will not produce a gas when reacted with dilute aqueous HCl?

A

B

C

D

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