A flammable gas that is lighter than air is:
a) oxygen b) chlorine
c) hydrogen d) helium
2007-06-22 06:06:38 · 11 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
If a material is heated and two new materials are produced, this type of reaction is called a ____________ reaction.
2007-06-22 06:13:24 · update #1
c)hydrogen and for the second question, it would be a thermal decomposition reaction
2007-06-22 06:09:26 · answer #1 · answered by Dr. Eddie 6 · 0⤊ 0⤋
Hydrogen
2007-06-22 06:20:14 · answer #2 · answered by rosie recipe 7 · 0⤊ 0⤋
C) Hydrogen and Decomposition
2007-06-22 06:41:28 · answer #3 · answered by BIG DADDY 2 · 0⤊ 0⤋
Hydrogen- Ever heard of the Hindenberg?
2007-06-22 06:13:58 · answer #4 · answered by Lauren A 5 · 0⤊ 0⤋
Hydrogen, it's also the exception in the period table with a mass of one. And it's used in hot air balloons.
2007-06-22 06:13:47 · answer #5 · answered by Anonymous · 0⤊ 1⤋
c) hydrogen
for an gas to be lighter than air it must have a molecular mass less than 28.97 (the average molecular mass of air)
decomposition
2007-06-22 06:17:21 · answer #6 · answered by devinity04230 3 · 0⤊ 0⤋
1. Oxidising agent in a chemical reaction is an atom/ion that undergoes reduction. Here the chlorine gas has been reduced to chloride ions.
2016-05-17 11:21:09 · answer #7 · answered by Anonymous · 0⤊ 0⤋
Hydrogen
Decomposition
2007-06-22 06:17:04 · answer #8 · answered by hcbiochem 7 · 0⤊ 0⤋
D because it floats balloons and on the balloon it says extremely flammable.
2007-06-22 06:14:17 · answer #9 · answered by SweetiePie 2 · 0⤊ 2⤋
1..c)..Hydrogen
2..Decomposition reaction.
2007-06-22 06:57:12 · answer #10 · answered by Norrie 7 · 0⤊ 0⤋