Luke 14:34-35

salt is good, but if the salt has lost its savour, with what shall it be recovered?

Luke 17:29

but the very day that Lot went out of Sodom, a storm of lightning and thunder fell from heaven and destroy'd them all.

Revelation 19:20

and the beast was taken, and with him the false prophet that wrought miracles in his favour, by which he seduc'd those that had received the mark of the beast, and those that worshipped his image. these were both cast alive into a lake of fire burning with brimstone.

Treasury of Scripture Knowledge

Summary

And that the whole land thereof is brimstone, and salt, and burning, that it is not sown, nor beareth, nor any grass groweth therein, like the overthrow of Sodom, and Gomorrah, Admah, and Zeboim, which the LORD overthrew in his anger, and in his wrath:

Salt

General references

Bible References

Brimstone

Luke 17:29
but the very day that Lot went out of Sodom, a storm of lightning and thunder fell from heaven and destroy'd them all.
Revelation 19:20
and the beast was taken, and with him the false prophet that wrought miracles in his favour, by which he seduc'd those that had received the mark of the beast, and those that worshipped his image. these were both cast alive into a lake of fire burning with brimstone.

Salt

Luke 14:34
salt is good, but if the salt has lost its savour, with what shall it be recovered?

General references

Luke 17:29
but the very day that Lot went out of Sodom, a storm of lightning and thunder fell from heaven and destroy'd them all.