Luke 14:34-35

Salt is good; but if the salt become taste less, by what means shall it become salt again?

Luke 17:29

but in the day in which Lot went out of Sodom, it rained fire and brimstone from heaven, and destroyed them all.

Revelation 19:20

And the beast was taken, and the false prophet that was with him, who did signs in his presence, with which he deceived those who received the mark of the beast, and those who worshiped his image. These two were thrown alive into the lake of fire, which burns with brim stone.

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 in the day in which Lot went out of Sodom, it rained fire and brimstone from heaven, and destroyed them all.
Revelation 19:20
And the beast was taken, and the false prophet that was with him, who did signs in his presence, with which he deceived those who received the mark of the beast, and those who worshiped his image. These two were thrown alive into the lake of fire, which burns with brim stone.

Salt

Luke 14:34
Salt is good; but if the salt become taste less, by what means shall it become salt again?

General references

Luke 17:29
but in the day in which Lot went out of Sodom, it rained fire and brimstone from heaven, and destroyed them all.