Chemistry-Objective Related Question Answers
851. Noble metals?
Silver; Platinum; Gold
852. The first metal to be used by man?
Copper
853. “King of metal” is?
Gold
854. The metal of future?
Titanium
855. The metal found in the rocks of moon /Lunar metal is?
Titanium
856. Metal used for the manufacture of aeroplane?
Titanium
857. Metal present in the exhaust gases of vehicles?
Lead
858. An important metal present in the eyes of animals?
Zinc
859. Metal used in batteries of car?
Lead
860. Metal present in Insulin?
Zinc
861. Metal used in torch cell?
Zinc
862. What is the purest form of iron?
Wrought Iron
863. Which mineral has the nickname ‘fool’s gold’?
Iron pyrites
864. The earthy impurities present in the ore are called?
Gangue
865. Which metal remains in liquid state at 0°C?
Mercury
866. Ruby is mainly the oxide of?
Aluminium
867. The metal having highest boiling point?
Tungston
868. The fusible substance obtained when flux combines with the gangue is known as?
Slag
869. Write the name of three soft metals:?
Lithium; Sodium; Potassium
870. Name three metals which are in the liquid state on a hot day?
Mercury; Gallium; Cesium
871. Write the names of three metals which do not react with oxygen:?
Silver; Platinum; Gold
872. Bismuth Aurite is the mineral of?
Gold
873. Which chemical causes Minamata disease?
Mercury
874. Which alkali metal is denser than water?
Lithium
875. The elements which undergo chemical change losing electrons are in generally called?
Metals
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution