Acid soil is neutralised by ash.

Clean the ashes out of the fireplace.

The big fire reduced the whole town to ashes.

Our school was reduced to ashes.

A delicatessen caught fire and burned down, leaving a heap of ashes.

The old house was burned to ashes.

The fire reduced the house to ashes.

The house was burned to ashes.

Everything was burnt to ashes.

Please remove the ashes from the stove.

Don't drop cigarette ash on the carpet.

The fire reduced the whole village to ashes.

Surely one shouldn't knock ash from your cigarette out the car window.

I burned the letter.

The building turned to ashes.

The building turned to ashes.