Luke 14:34-35

"Salt is good: but if even the salt has become tasteless, what will you use to season it?

Luke 17:29

but on the day that Lot left Sodom, God rained fire and brimstone from the sky and destroyed them all.

Revelation 19:20

who had done the miracles in his presence with which he had led astray those who had received the mark of the Wild Beast, and those who worshipped his statue. Both of them were thrown alive into the Lake of fire that was all ablaze with sulphur.

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 on the day that Lot left Sodom, God rained fire and brimstone from the sky and destroyed them all.
Revelation 19:20
who had done the miracles in his presence with which he had led astray those who had received the mark of the Wild Beast, and those who worshipped his statue. Both of them were thrown alive into the Lake of fire that was all ablaze with sulphur.

Salt

Luke 14:34
"Salt is good: but if even the salt has become tasteless, what will you use to season it?

General references

Luke 17:29
but on the day that Lot left Sodom, God rained fire and brimstone from the sky and destroyed them all.