Question Detail Brass is an alloy of ? Copper and TinCopper and ZincCopper and AluminiumIron and Copper Answer: Option B Ad Similar Questions : 1. The main chemical constituent of clay is ? aluminium silicatezeolitesaluminium borosilicatesilicon oxide Answer: Option A 2. Which element found in all organic compounds ? carbonnitrogencalciumnone of them Answer: Option A 3. Natural rubber is a polymer derived from ? ethylenepropyleneisoprenebutadiene Answer: Option C 4. Which one of the following metals does not react with water to produce Hydrogen? CadmiumLithiumPotassiumSodium Answer: Option A 5. Conduction band electrons have more mobility than holes because they are experience collision more frequentlyexperience collision less frequentlyhave negative chargeneed less energy to move them Answer: Option B Read more from - Chemistry Questions Answers