LEAD
WHAT IS THE LATIN WORD OF LEAD?
PLUMBUM
CHROMIUM METAL IS BRITTLE.
TRUE OR FALSE?
TRUE
WHAT IS THE CRYSTAL STRUCTURE OF TIN (Sn)?
TETRAGONAL
WHAT IS THE PRIMARY SOURCES OF CHROMIUM?
CHROMITE ORE
WHA METAL USED TO COAT OTHER METAL TO PREVENT CORROSION ,SUCH AS TIN CANS,WHICH ARE MADE OF TIN-COATED STEEL.
TIN
LEAD IS A GOOD CONDUCTOR OF ELECTRICITY?
TRUE OF FALSE.
FALSE
LEAD IS A POOR CONDUCTOR OF ELECTRICITY.
WHO DISCOVERED CHROMIUM METAL?
NICHOLAS LOUIS VAUQUELIN
CITE ONE OF THE PROPERTIES OF TIN .
NON-TOXIC/DUCTILE/MALLEABLE/SOFT
WHAT IS THE MAJOR SOURCES OF LEAD PRODUCTION THROUGHOUT THE WORLD?
PbS (GALENA OR LEAD GLANCE)
IT IS AN APPLICATION OF CHROMIUM THAT IS USED TO GIVE A POLISH MIRROR FINISH TO STEEL LIKE CARS AND LORRY PARTS AND BUMPERS.
CHROMIUM PLATING
WHAT ELEMENT IS WITH LEAD UPON EXTRACTION?
ZINC
IT IS AN ALLOYING AGENT IN STEEL MANUFACTURE?
CHROMIUM
WHAT IS THE ATOMIC NUMBER OF TIN?
50
WHAT IS THE PRIMARY SOURCES OF TIN?
CASSITERITE
THIS IS EASILY WORKED AND CORROSION RESISTANCE METAL HAS BEEN USED FOR PIPES ,PEWTER,AND PAINT SINCE ROMAN TIMES.
LEAD
WHO DICOVERED LEAD?
UNKNOWN/NONE
HOW DOES CHROMITE ORE EXTRACTED?
SURFACE MINING AND UNDEGROUND MINING
WHAT IS THE LATIN WORD FOR TIN?
STANNUM
THIS ORE IS MINED AT COUNTRIES LIKE SOUTH AFRICA,ZIMBABWE, FINLAND, INDIA,KAZAKIHSTAN, AND THE PHILIPPINES.
CHROMITE ORE
THIS METAL IS USED AS INDUSTRIAL CATALYST AND PIGMENTS. (in bright green ,yellow ,red, and orange colour)
CHROMIUM
WHAT IS THE MELTING POINT OF LEAD IN KELVIN?
600.6K
IS A DANGER TO HUMAN HEALTH,MAINLY FOR PEOPLE WHO WORK IN THE STEEL AMD TEXTILE INDUSTRY.PEOPLE WHO SMOKE TOBACCO HAVE A HIGHER CHANCE OF EXPOSURE TO THIS .
CHROMIUM(VI)
WHAT IS THE TWO METHODS OF REFINING IMPURE TIN?
FIRE REFINING AND ELECTROLYTIC REFINING
THE METAL IS OBTAINED FROM ______BY REDUCTIO(removal of the oxygen) WITH COAL OR COKE IN SMELTING FURNACES.
CASSITERITE
A WIDELY USE METAL FOR CAR BATTERIES, PIGMENTS ,AMMUNITION ,CABLE SHEATHING ,WEIGHTS FOR LIFTING,WEIGHTS BELT FOR DIVING ,LEAD CRYSTALS,RADIATION PROTECTION,AND IN SOME SOLDER.
LEAD