Per NCERT, a mixture of TWO GASES (e.g. hydrogen + oxygen used as rocket fuel) is which type?
AHeterogeneous — gases always form separate layers
BA pure compound
CHomogeneous — gas particles mix uniformly in all directions
DA suspension
Answer & Solution
Correct answer: C. Homogeneous — gas particles mix uniformly in all directions
Gas-gas mixtures are typically homogeneous (per NCERT) — gas molecules diffuse uniformly. The other options misstate.
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