Formula
What is the formula for Methane
CH4, ch4, Ch4, cH4
What is the pH level for hydrochloric acid?
less than 1.5
1.5
What are alkalis?
Bases that can be dissolved in water
What did Greek philosopher Democritus suggest about atoms?
That all substances consisted of tiny indestructible particles called atoms.
What are the products of combustion?
co2, h2o
carbon dioxide and water
What is the word equation for when acids and metals combine?
acid+metal=salt+hydrogen
What is a base used in cleaning agents?
Ammonia
Sodium Hydroxide
Who proposed that atoms were filled with empty space?
Lord Rutherford
What is the substance used in smoke alarms?
Americium-241
What is the type of acid that is in a bee sting?
Formic acid
What base would have to be added to neutralize excess acid in a pool?
Sodium Carbonate
Sodium Bicarbonate
When was the first suggested theory about atoms?
2500 years ago
What is the formula for a spacecraft launching?
hydrogen+oxygen=water
What is the process of preserving food using vinegar called?
Pickling
What is the substance used in oil recovery?
Hydrochloric acid
What are the other names for Hydrogen-2 and Hydrogen-3?
Deuterium and Tritium
What is the formula for acid rain when reacting with buildings?
Calcium carbonate+acid rain=gypsum+water+carbon dioxide
What is the Latin origin for the word acid?
acidus
What are the three bases found in antacid tablets?
Aluminium Hydroxide
Magnesium Hydroxide
Magnesium Carbonate
How many radioactive isotopes are made artificially?
2000