Related InterviewSolutions

• What are the physical properties of metals and nonmetals?
• Write any three physical properties of nonmetals.
• Distinguish between the physical properties of metals and nonmetals with respect to the following points:(1) Physical state (2) Lustre (3) Ductility and malleability (4) Conduction of heat and electricity (5) Hardness (6) Melting and boiling points.
• Write short note on the following:Alloying.
• Write short note on the following:Galvanizing.
• Galvanizing
• Find the correlation in the given pair and rewrite the answer:i. Brass : Copper and Zinc :: Bronze :………….ii. Tinning : Tin :: Galvanizing :…………….iii. Pressure cooker : Anodizing :: Silver plated spoons :…………..iv. The sulphides ores are strongly heated in air : Roasting :: The carbonates ores are strongly heated in a limited supply of air :………….v. Sulphide ores : Froth floatation method : Cassiterite ore :………..
• Choose from the following list of the substances, Acetylence gas, aqua fortis, coke, brass, barium chloride, bronze, platinum. The substance which is an alloy of zinc, copper and tin. 
• Brass : Copper and zinc : : Bronze : ____________
• Select which is not an alloy of copper : (A) Brass (B) Bronze (C) Solder (D) Duralumin.