Whether or not a room filled with sugar dust will explode also depends on a couple of other factors.
It seemed to Constance that the room exploded with noise.
There were a few heartbeats of silence, then the room exploded.
The wall on the other side of the girls' rest room exploded outward.
After an awkward moment of silence, the room exploded with applause.
Suddenly, the room exploded in laughter at the congressman's punch line.
Before she could decide, the room exploded into action.
Then it was as if the entire room exploded.
He threw out his arms, and the room exploded with sound and light.
There was a moment of silence - and then the room exploded with laughter.