true or false
reactants andproducts
neutralization or combustion
compounds
100

iron rusting is a chemical change

true 

100

what does magnesium and oxogyne make 

magnesium and oxide 

100

what happens when baking soda and vinegar is it combustion or neutralization 

its a neutralization 

100

what is table salt made out 

what is sodium (Na) and chloride (Cl)

200

mass is not conserved during a chemical reaction.

false 

200

methane reacts with oxygen and makes what?

carbon dioxide and water

200

what is a wax candle-burning 

its a combustion

200

Ammonia is made up of 2 elements what are they


Nitrogen and hydrogen

300

uranium has 34 protons 

false it has 92 

300

calcium reacts with oxygen to make 

calcium oxide  better known as table salt 

300

what is propane burning 

its a combustion

300

what elamints are in kevlar 

carbon hydrogen nitrogen oxygen

400

the atomic number of Lanthanum is 243

fales it has 57

400

sodium reacts with chlorine to make what 

it makes sodium chlo

400

what happens to fish odors when they are mixed with lemon juice 

neutralization of the odor happens 

400

what are the elamints in Caffeine

 carbon,hydrogen,nitrogen and oxygen

500

a dimond has 3 protons 

true it does 

500

 propane reacts with oxygen to make 

carbon dioxide and water

500

hydrogen and oxygen in the space shuttle fuel system

its combustion

500

what is elemments Laughing gas

 dinitrogen monoxide