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Specific gravity of slag is:
Answer: B. Always higher than molten metal Specific gravity of slag is always higher than molten metal.
Answer: B. Always higher than molten metal
Specific gravity of slag is always higher than molten metal.
See lessThe process of removal of gangue particles from ores is known as:
Answer: A. Concentration The process of removal of gangue particles from ores is known as concentration.
Answer: A. Concentration
The process of removal of gangue particles from ores is known as concentration.
See lessMetal always found in free state is:
Answer: A. Gold Metal always found in free state is gold.
Answer: A. Gold
Metal always found in free state is gold.
See lessRoasting is generally carried out in case of:
Answer: B. Sulphide ores Roasting is generally carried out in case of sulphide ores.
Answer: B. Sulphide ores
Roasting is generally carried out in case of sulphide ores.
See lessWhich pair of element can form alloy?
Answer: C. Fe and C The pair of element can form alloy are Fe and C.
Answer: C. Fe and C
The pair of element can form alloy are Fe and C.
See lessWhich process is used for the purification of Al metal?
Answer: A. Hoop's process Hoop's process is used for the purification of Al metal.
Answer: A. Hoop’s process
Hoop’s process is used for the purification of Al metal.
See lessOil used as frother in forth floatation process:
Answer: A. Pine oil Oil used as frother in froth floatation process pine oil.
Answer: A. Pine oil
Oil used as frother in froth floatation process pine oil.
See lessZone refining is used for the:
Answer: c. Purification of metal Zone refining is used for the purification of metal.
Answer: c. Purification of metal
Zone refining is used for the purification of metal.
See lessIn the thermite process, the reducing agent is:
Answer: D. Aluminium In the thermite process, the reducing agent is aluminium.
Answer: D. Aluminium
In the thermite process, the reducing agent is aluminium.
See lessThe most abundant element in the earth’s crust is:
Answer: C. O The most abundant element in the earth's crust is O.
Answer: C. O
The most abundant element in the earth’s crust is O.
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