The other liquids on your list are non-flammable. Name two solids that are inflammable.
paper, spirit, branch of a tree, glass tumbler, coin, steel plate, piece of cork, sandpaper, talcum powder, butter, milk, air, copper wire, honey, shampoo, cotton wool, windowpane, soap, dough for chapatti, the lump of plasticine, water, lime juice, oil, smoke, steam, petrol, kerosene, stone, mirror, iron nail, salt, sugar, ice, flour, drinking straw, plastic ruler, cooking gas, aluminum foil, rubber band, oxygen, sand
Two solids that are inflammable: aluminum foil and a branch of a tree.