Flammable metals are those that can easily catch fire and burn when exposed to air or water, such as lithium, sodium, potassium, and magnesium. These metals are highly reactive and can ignite at relatively low temperatures. On the other hand, non-flammable metals are those that do not easily catch fire or burn when exposed to air or water, such as copper, silver, gold, and platinum. These metals are much less reactive and have higher resistance to oxidation and combustion. **

Yes, some types of glue are flammable. Glues that are solvent-based or contain volatile organic compounds (VOCs) are more likely to be flammable. When exposed to heat or flame, these types of glue can ignite and burn. It is important to always read the safety information on the glue's label to understand its flammability properties. **

Yes, perfume is flammable due to its alcohol content. Most perfumes contain a high percentage of alcohol, which is a flammable substance. It is important to keep perfumes away from open flames, heat sources, and direct sunlight to prevent any potential fire hazards. It is always recommended to store perfumes in a cool, dry place to ensure safety. **

Yes, carpet is flammable. Most carpets are made from synthetic fibers like nylon, polyester, or polypropylene, which are all flammable materials. In the event of a fire, carpets can quickly ignite and spread the flames throughout a room. It is important to take precautions such as using flame-retardant carpets or treating carpets with fire-resistant chemicals to reduce the risk of fire. **

No, ivory is not flammable. Ivory is a dense, hard material made from the tusks of animals such as elephants and walruses. It is composed mainly of calcium phosphate, which is not easily combustible. However, ivory can be damaged by high heat, so it is important to keep it away from sources of fire. **

Yes, bones are flammable. When exposed to high enough temperatures, bones can burn and turn to ash. However, bones are not as easily flammable as other materials like wood or paper due to their high mineral content. In order to burn bones, a sustained and intense heat source is typically required. **

Yes, down is flammable because it is a natural material made from the feathers of birds. When exposed to a flame, down can catch fire and burn. It is important to keep down products away from open flames or high heat sources to prevent them from catching fire. **

Plasterboard, also known as drywall, is not flammable. It is made of gypsum sandwiched between two layers of paper, which are not combustible materials. However, the paper covering on the plasterboard can burn, so it is important to take precautions to prevent fires and to use fire-resistant materials when necessary. Overall, plasterboard is considered to be a fire-resistant building material. **