Al-Ma'arij 70:8

<h2>Terrors of the Day of Judgement</h2><p>Allah says that the torment will befall the disbelievers.</p><div class="arabic uthmani">يَوْمَ تَكُونُ السَّمَآءُ كَالْمُهْلِ </div><p>(The Day that the sky will be like the Al-Muhl.) Ibn `Abbas, Mujahid, `Ata, Sa`id bin Jubayr, `Ikrimah, As-Suddi and others have all said, "Like the residue of oil."</p><div class="arabic uthmani">وَتَكُونُ الْجِبَالُ كَالْعِهْنِ </div><p>(And the mountains will be like `Ihn.) meaning, like fluffed wool. This was said by Mujahid, Qatadah and As-Suddi. This Ayah is similar to Allah's statement,</p><div class="arabic uthmani">وَتَكُونُ الْجِبَالُ كَالْعِهْنِ الْمَنفُوشِ </div><p>(And the mountains will be like carded wool.) (101:5) Concerning Allah's statement,</p><div class="arabic uthmani">وَلاَ يَسْـَلُ حَمِيمٌ حَمِيماً يُبَصَّرُونَهُمْ</div><p>(And no friend will ask a friend, though they shall be made to see one another.) Meaning, no close friend will ask his close friend about his condition while he sees him in the worst of conditions. He will be worried about himself and will not be able to think of others. Al-`Awfi reported from Ibn `Abbas, "Some of them will know others and they will be acquainted with each other. Then, they will flee from each other after that, as Allah says,</p><div class="arabic uthmani">لِكُلِّ امْرِىءٍ مِّنْهُمْ يَوْمَئِذٍ شَأْنٌ يُغْنِيهِ </div><p>(Every man that Day will have enough to make him …

The day when the sky will become as molten copper,

The Day that the sky will be like molten brass,

The Day that the sky will be like the boiling filth of oil, (or molten copper or silver or lead, etc.).

On the Day when the sky will be like molten brass.