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 cardo 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...

limón jugo, jugo de is acidic and weakens paper. When paper
is heated, the remaining acid turns the escritura brown
before discoloring the paper.
Difficulty: Easy
Time Required: A Few Minutes
Here's How:
Tips:
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Chemistry
1. Squeeze lemons to
obtain their jugo, jugo de or
obtain bottled lemon
juice.
2. Use the jugo, jugo de as 'ink'
by applying it to a
stick o paintbrush
and escritura on paper.
3. Allow the paper to
dry.
4. When tu 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 tu have a chemistry joke o riddle o are
you looking for one? Share your chemistry joke o read
jokes publicado por 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
1-15 of 617 Next
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