Materials and Construction As the impurities are oxidised, the melting point of iron Remains unchanged Decreases Increases May increase or decrease ; unpredictable Remains unchanged Decreases Increases May increase or decrease ; unpredictable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and Graphite and moving mercury Moving mercury and crimped steel wire Moving mercury and graphite Moving mercury and carbon Graphite and moving mercury Moving mercury and crimped steel wire Moving mercury and graphite Moving mercury and carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 4 8 2 0.2 4 8 2 0.2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Tungsten Nichrome Constantan German silver Tungsten Nichrome Constantan German silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mixing vessel used for the chlorination of methane to produce methyl chloride is made of Cast iron High carbon steel Copper Aluminium Cast iron High carbon steel Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardest material so far found is Carborundum Graphite Pumice stone Diamond Carborundum Graphite Pumice stone Diamond ANSWER DOWNLOAD EXAMIANS APP
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