MCQ
Select a reversible change.
- AMilk to paneer.
- BGrowth of a tree.
- CCow-dung to biogas.
- ✓Ice-cream to molten ice cream.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| A science teacher labelled three glass slides as $P, 0$ and $R$. She painted slide $Q$ with light blue colour, slide $R$ with black colour and slide $P$ was left as such. |
| Then she asked students to put the slide on a white paper having $(X)$ mark on it. Students will be able to see the mark clearly (or partially) |
