A) Tin and silver B) Lead and tin C) Zinc and lead D) Copper and zinc. Ans : (D)
A) Copper and tin B) Copper, lead and tin C) Copper, zinc and tin D) Copper and zinc. Ans : (A)
A) Hetropolar B) Homopolar C) Non-ionic D) Ionic. Ans : (B)
A) one of the constituent is iron B) the constituent is iron only C) the atomic magnetic moments are parallel D) the atomic magnetic moments are anti-parallel and unequal. Ans : (C)
A) semi-magnetic B) paramagnetic C) anti-ferromagnetic D) poly crystalline. Ans : (B)
A) rhombus B) circle C) diamond D) triangle. Ans : (C)
A) Polyvinylidene chloride B) Polyvinyl chloride C) Lolymethyl metacrylate D) Polyethylene Ans : (D)
A) molecular bond B) metallic bond C) covalent bond D) ionic bond. Ans : (C)
A) semi-magnetic B) ferromagnetic C) diamagnetic D) none of the above. Ans : (C)
A) Muntz metal B) Admiralty brass C) Alpha brass D) Cartridge brass. Ans : (B)