The chemist added a pinch of flowers of sulphur to the mixture to encourage the formation of metal sulfides.

A sulphur-coloured plume of smoke curled into the cold morning sky above the abandoned factory.

A cloudless sulphur landed on the bright marigold, its lemon-yellow wings flashing in the sunlight.

The technician carefully neutralized the spill of sulphur acid before starting the cleanup.

After the volcanic eruption, the hikers were warned about the risk of sulphur rain settling in the valley.

After hiking through the volcanic ridge, we finally found a secluded sulphur spring where the steam smelled strongly of rotten eggs.

The sulphur parakeet perched on the mango tree and watched the children play below.

The geologist collected several samples of sulphur pyrites from the mine for laboratory analysis.

The scientist examined the sulphur impression left on the rock to determine the area’s volcanic history.

After weeks of struggling with acne, Maya finally found that sulphur soap helped calm her skin.