H2 + O2 →
H2O
Which statement about the chemical properties of these substances is correct?
Responses
If hydrogen is flammable, then oxygen and water must also be flammable.
If hydrogen is flammable, then oxygen and water must also be flammable.
If hydrogen is flammable, it does not necessarily mean that water is also flammable.
If hydrogen is flammable, it does not necessarily mean that water is also flammable.
If water is a liquid, then either hydrogen or oxygen must be a liquid.
If water is a liquid, then either hydrogen or oxygen must be a liquid.
If water is a liquid, then both hydrogen and oxygen must be liquids.
1 answer
The correct statement about the chemical properties of these substances is:
If hydrogen is flammable, it does not necessarily mean that water is also flammable.
This is true because while hydrogen is a flammable gas, water is a product of the combustion reaction between hydrogen and oxygen and is not flammable; in fact, it is often used as a fire extinguishing agent. The flammability of a substance is not transferred to the products formed from its reaction.
