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Chemisty
Chemistry
30
Chemistry
10th Grade
08/24/2012

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Cards

Term
What is the formula for nitric acid?
Definition
HNO3
Term
What is the formula for hydrogen gas?
Definition
H2
Term
How can we prepare hydrogen gas in the the laboratory?
Definition
The action of dilute sulfuric acid on zinc granules
Term
How much oxygen is there in air?
Definition
0.2
Term
what is the formula for calcium carbonate?
Definition
CaCO3
Term
What is the test for Carbon Dioxide?
Definition
Pass the gas through limewater and a white precipitate will appear.
Term
Formula for calcium hydrogen carbonate
Definition
Ca(HCO3)2
Term
How much percent of Carbon Dioxide is in the atmosphere?
Definition
Less than 1%
Term
What is the formula for ethonoic acid?
Definition
CH3COOH
Term
What is the product of hydrogen reacting with oxygen when ignited?
Definition
Water
Term
What is oxygen needed for?
Definition
Respiration
Term
What is the sound made when hydrogen gas is ignited with a lit splint?
Definition
A squeaky pop
Term
What is the test for hydrogen?
Definition
A squeaky pop
Term
What is the symbol for neon?
Definition
Ne
Term
What is the formula for calcium carbonate?
Definition
CaCO3
Term
What's the final product of the re-dissolved calcium carbonate (white precipitate) called??
Definition
Calcium Hydrogen Carbonate Ca(HCO3)2
Term
What happens to limewater when you combine it with Carbon Dioxide gas?
Definition
It turns milky
Term
What is the symbol for Beryllium?
Definition
Be
Term
What is the symbol for Potassium?
Definition
K
Term
What is the symbol for ethanoic acid?
Definition
CH3COOH
Term
How do you produce calcium hydrogen carbonate?
Definition
Calcium carbonate + carbon dioxide + water
Term
How much oxygen is there in air?
Definition
1/5, or 20%
Term
What element is F?
Definition
Fluorine
Term
What is the symbol for hydrogen?
Definition
H
Term
What was hydrogen used for?
Definition
Air balloons
Term
What are the most common acids?
Definition
Hydrochloric, sulfuric, nitric, ethonoic and carbonic acid
Term
What is the formula of calcium hydroxide?
Definition
Ca(OH)2
Term
What is the formula of calcium hydrogencarbonate?
Definition
Ca(HCO3)2
Term
How can carbon dioxide be prepared in the lab?
Definition
Reaction between calcium carbonate and dilute hydrocrolic acid.
Term
What happens to limewater when carbon dioxide is bubbled through?
Definition
it turns milky
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