Chlorine gas can be prepared in laboratory with hydrochloric acid and manganese-dioxide.


Method

Put manganese lump in a round flask , now put concentrated hydrochloric acid into the round flask with distel funnel and fit the flask with cork having a hole ,Now attach a tube into the hole of cork and leave to tube into an empty container,so the gas can be collected.The container must be sealed with cork having only one hole for the attachment of tube (from flask to container).Set the apparatus and there should be no leakage.Now heat the manganese lump and hydrochloric acid with a bunsen burner...

What would life would be like if nobody had ever studied
chemistry? It’s easy to grumble about the homework,
but it’s impossible to overestimate chemistry’s
importance in our daily lives.
What Would Your home pagina Be Like?
The International Space Station with ATV-2 and
Endeavour (Image ESA and NASA)
Look around your home pagina and count the number of things
around u that have come out of chemistry
breakthroughs and inventions. Without chemistry we
wouldn’t have light bulbs, mobile phones, Facebook or
Twitter. Much of the food we eat and clothes we wear
involve chemists and chemistry too.
If we had never...

citroen sap is acidic and weakens paper. When paper
is heated, the remaining acid turns the writing brown
before discoloring the paper.
Difficulty: Easy
Time Required: A Few Minutes
Here's How:
Tips:
What u Need
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1. Squeeze lemons to
obtain their sap or
obtain bottled lemon
juice.
2. Use the sap as 'ink'
by applying it to a
stick of paintbrush
and writing on paper.
3. Allow the paper to
dry.
4. When u are ready to
read your invisible
message, hold the
paper up to sunlight,
a lightbulb
(recommended),...

From the article: Molecules with Strange Names
Chemistry is funny and chemists have a great sense of
humor! Do u have a chemistry joke of riddle of are
you looking for one? Share your chemistry joke of read
jokes toegevoegd door other readers. Share Your Chemistry
Joke
Potassium and Oxygen
GTFO
Chemistry.
No Reaction
haha joke
oh-zone
Sad chemistry teacher
Potassium
Hot Chemists Rock
Another Chemistry Joke
Oxygen and Magnesium
Sick Chemist
Cobalt
Over Titration
Complete Dissociation
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