ODWS icon

The Open Door Web Site
HOMEPAGE BIOLOGY PHYSICS ELECTRONICS HISTORY HISTORY OF SCI & TECH MATH STUDIES LEARNING FRENCH STUDY GUIDE  PHOTO GALLERY
CHEMISTRY HOMEPAGE TOPIC CHAPTERS VISUAL CHEMISTRY PHYSICAL SCIENCE

 

Work in the Laboratory Index

How to work in a Science Laboratory: Laboratory Rules
Laboratory Rules Quiz
How to use a Bunsen burner
Scientific Apparatus
The Measuring Cylinder
The pH Scale
Experiment to Test the pH of Different Solutions
The Cooling Curve of Water
Collecting Gases

Work in the Laboratory Index

 

 

WORK IN THE LABORATORY

Custom Search

The Preparation of Gases in the Laboratory

 

Name of gas

Molecular image

Formula

Prepared in the laboratory by:

methane

Methane

CH4

Heating a compound called sodium ethanoate with another compound soda-lime (sodium hydroxide).
The methane gas is collected over water.

Prep methane

oxygen

oxygen

O2

Adding hydrogen peroxide solution to manganese IV oxide powder.
The oxygen gas is collected over water.

prep oxygen gas

carbon dioxide

carbon dioxide

CO2

Adding dilute hydrochloric acid to calcium carbonate powder or chips.
The carbon dioxide gas is collected by downward delivery.

downward delivery

chlorine

chlorine

Cl2

Heating concentrated hydrochloric acid with manganese IV oxide.
The chlorine gas is collected by downward delivery.

downward delivery

hydrogen

hydrogen

H2

Adding dilute acid to zinc granules.
The hydrogen gas is collected over water.

collection over water

hydrogen sulphide

hydrogen sulphide

H2S

Adding dilute acid to iron II sulphide.
The hydrogen sulphide gas is collected over water.

collection over water

hydrogen chloride

hydrogen chloride

HCl

Adding concentrated sulphuric acid to sodium chloride.
The hydrogen chloride gas is collected by downward delivery

downward delivery

ammonia

ammonia

NH3

Heating together ammonium chloride and calcium hydroxide.
The ammonia gas is dried by passing it through calcium oxide granules before it is collected by upward delivery.

upward delivery

nitrogen

nitrogen

N2

Taking out the other gases from a sample of air.
The nitrogen gas is collected over water.

collection over water

sulphur dioxide

sulphur dioxide

SO2

Adding concentrated sulphuric acid to pieces of copper.
The sulphur dioxide gas is dried by passing it through concentrated sulphuric acid before collecting it by downward delivery.

downward delivery

 

The Open Door Web Site is non-profit making. Your donations help towards the cost of maintaining this free service on-line.

Donate to the Open Door Web Site using PayPal

SITE MAP
WHAT'S NEW?
ABOUT

PRIVACY

COPYRIGHT

SPONSORSHIP

DONATIONS

ADVERTISING

© The Open Door Team 2017
Any questions or problems regarding this site should be addressed to the webmaster

© Shirley Burchill 2017

Hosted By
Web Hosting by HostCentric


SiteLock