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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Which mineral contains calcium as a major element?
Which mineral contains calcium as a major element?
[html]Which mineral contains calcium as a major element?

▸ cinnabar

▸ corundum

▸ hematite
linyuki   133   1 Reply
5 months ago
Which metal's commercial source is seawater?
Which metal's commercial source is seawater?
Which metal's commercial source is seawater?

▸ Cs

▸ K

▸ Mg

▸ Ba

▸ Li
rbayla   101   1 Reply
5 months ago
Which is the principal reducing agent in a blast furnace?
Which is the principal reducing agent in a blast furnace?
[html]Which is the principal reducing agent in a blast furnace?

▸ CaO(s)

▸
jshayneo   139   1 Reply
5 months ago
Which is NOT a chemical reaction that occurs in a blast furnace in the production of iron?
Which is NOT a chemical reaction that occurs in a blast furnace in the production of iron?
[html]Which is NOT a chemical reaction that occurs in a blast furnace in the production of iron?
hardy7luver   180   1 Reply
5 months ago
Which is an example of a basic oxide?
Which is an example of a basic oxide?
[html]Which is an example of a  basic oxide?

▸ SO3(g)

▸ B
janeniz   123   1 Reply
5 months ago
Which is a covalent oxide?
Which is a covalent oxide?
[html]Which is a covalent oxide?

▸ CaO

▸ Na2O

▸ Li2O

▸
Bluffinmuffin   137   1 Reply
5 months ago
Which ion is not found in sea water in a concentration high enough to be an industrial source of the ...
Which ion is not found in sea water in a concentration high enough to be an industrial source of the ...
[html]Which ion is  not found in sea water in a concentration high enough to be an industrial source of the metal
helpmeplease1   154   1 Reply
5 months ago
Where on the periodic table are the most reactive metals located?
Where on the periodic table are the most reactive metals located?
[html]Where on the periodic table are the most reactive metals located?

▸ group I (alkali met
JZ240   143   1 Reply
5 months ago
When mercury combines with other metals, what is the name given to the species formed?
When mercury combines with other metals, what is the name given to the species formed?
[html]When mercury combines with other metals, what is the name given to the species formed?
nrod1120   133   1 Reply
5 months ago
What is the source of most metals?
What is the source of most metals?
[html]What is the source of most metals?

▸ industry

▸ synthesis

▸ saturated

▸ ocean floor
tsk   144   1 Reply
5 months ago
What is the name of the relationship that exists because of the similar properties of carbon to ...
What is the name of the relationship that exists because of the similar properties of carbon to ...
[html]What is the name of the relationship that exists because of the similar properties of carbon to
nitanikollaj   144   1 Reply
5 months ago
What is the name of the process used to separate the minerals from the waste in ore?
What is the name of the process used to separate the minerals from the waste in ore?
[html]What is the name of the process used to separate the minerals from the waste in ore?

▸
Flaco69   120   1 Reply
5 months ago
What is the molecular shape of AlF3?
What is the molecular shape of AlF3?
[html]What is the molecular shape of AlF3?

▸ tetrahedral

▸ linear

▸ trigonal pyr
ken80   108   1 Reply
5 months ago
What is the major component in milk of magnesia?
What is the major component in milk of magnesia?
[html]What is the major component in milk of magnesia?

▸ Mg(OH)2

▸ MgS

▸ MgCl

▸
kwmusick   75   1 Reply
5 months ago
What is the major component in limestone?
What is the major component in limestone?
[html]What is the major component in limestone?

▸ NaNO3

▸ KCl

▸ CaCl

▸ BaSO
kirstykirst   92   1 Reply
5 months ago
What is the chemical formula for talc?
What is the chemical formula for talc?
[html]What is the chemical formula for talc?

▸ NaNO3

▸ Mg3(P
jr3811   93   1 Reply
5 months ago
What is the chemical formula for phosphate rock?
What is the chemical formula for phosphate rock?
[html]What is the chemical formula for phosphate rock?

▸ Na3PO4
Katseye   94   1 Reply
5 months ago
What is the chemical formula for limestone?
What is the chemical formula for limestone?
[html]What is the chemical formula for limestone?

▸ LiOH

▸ Li2CO3
futurenurse15   81   1 Reply
5 months ago
What is the chemical formula for gypsum?
What is the chemical formula for gypsum?
[html]What is the chemical formula for gypsum?

▸ CaSO4• 2H2O

▸
hardy7luver   80   1 Reply
5 months ago
What is the chemical formula for cinnabar?
What is the chemical formula for cinnabar?
[html]What is the chemical formula for cinnabar?

▸ HgS

▸ SnBr

▸ SnO2

▸ TiO
citycyborg   94   1 Reply
5 months ago
What elements are alloyed to make stainless steel?
What elements are alloyed to make stainless steel?
[html]What elements are alloyed to make stainless steel?

▸ Fe and C

▸ Fe and Mn

▸ Fe and Ni
Neptunesx101x   97   1 Reply
5 months ago
What effect does increasing temperature have on the conductivities of semiconductors?
What effect does increasing temperature have on the conductivities of semiconductors?
[html]What effect does increasing temperature have on the  conductivities of semiconductors?
annyan   85   1 Reply
5 months ago
What are two raw materials used in the Solvay process?
What are two raw materials used in the Solvay process?
[html]What are two  raw materials used in the Solvay process?

▸ NaHCO3 and
pjstaud   103   1 Reply
5 months ago
Volatile impurities are removed from ores by means of
Volatile impurities are removed from ores by means of
[html]Volatile impurities are removed from ores by means of

▸ roasting.

▸ amalgamation.

▸ e
renielle   69   1 Reply
5 months ago
The process used to produce metals with a purity of more than 99.99% is called
The process used to produce metals with a purity of more than 99.99% is called
[html]The process used to produce metals with a purity of more than 99.99% is called

▸ zone r
blankship   86   1 Reply
5 months ago
The process that selectively extracts a metal from its ore, by dissolving it, is called
The process that selectively extracts a metal from its ore, by dissolving it, is called
[html]The process that selectively extracts a metal from its ore, by dissolving it, is called
rhialways659   100   1 Reply
5 months ago
The process of converting metal sulfides to metal oxides is called
The process of converting metal sulfides to metal oxides is called
[html]The process of converting metal sulfides to metal oxides is called

▸ roasting.

▸ smelt
alphalions   89   1 Reply
5 months ago
The naturally occurring form of a metal that is concentrated enough to allow economical recovery of ...
The naturally occurring form of a metal that is concentrated enough to allow economical recovery of ...
[html]The naturally occurring form of a metal that is concentrated enough to allow economical recovery of the metal is kno
sarasmith06   112   1 Reply
5 months ago
The most common source for the commercial production of sodium is called
The most common source for the commercial production of sodium is called
[html]The most common source for the commercial production of sodium is called

▸ sodalite.

▸
tara.harris.9   98   1 Reply
5 months ago
The most common source for the commercial production of aluminum is called
The most common source for the commercial production of aluminum is called
[html]The most common source for the commercial production of aluminum is called

▸ aluminite.
exteesy07   102   1 Reply
5 months ago
The mineral cryolite, Na3AlF6, is used in the Hall process for aluminum production as
The mineral cryolite, Na3AlF6, is used in the Hall process for aluminum production as
[html]The mineral cryolite, Na3AlF6, is used in the Hall process for aluminum production as
ang359   95   1 Reply
5 months ago
The Hall process refers to
The Hall process refers to
[html]The Hall process refers to

▸ the production of aluminum by electrolysis.

▸ the recover
doggerfresh   75   1 Reply
5 months ago
The Hall process involves the reduction of Al2O3 to aluminum by
The Hall process involves the reduction of Al2O3 to aluminum by
[html]The Hall process involves the reduction of Al2O3 to aluminum by

▸
hussainizzle   80   1 Reply
5 months ago
The following electrolytic cell is a representation of the process used to purify copper metal. How ...
The following electrolytic cell is a representation of the process used to purify copper metal. How ...
[html]The following electrolytic cell is a representation of the process used to purify copper metal. How does it work?
itshammertime   70   1 Reply
5 months ago
The first step in the purification of a metal M is represented by the following figure. To which ...
The first step in the purification of a metal M is represented by the following figure. To which ...
[html]The first step in the purification of a metal M is represented by the following figure. To whic
spiderman13   94   1 Reply
5 months ago
The final step of the purification of copper involves electrorefining in which copper is separated ...
The final step of the purification of copper involves electrorefining in which copper is separated ...
[html]The final step of the purification of copper involves electrorefining in which copper is separa
Jbranson87   107   1 Reply
5 months ago
The Downs cell is used in the production of
The Downs cell is used in the production of
[html]The Downs cell is used in the production of

▸ copper.

▸ hydrogen.

▸ iron.

▸ magnesiu
adnan_buljic   104   1 Reply
5 months ago
The debris accompanying a mineral is called
The debris accompanying a mineral is called
[html]The debris accompanying a mineral is called

▸ slag.

▸ gangue.

▸ ore.

▸ halite.

▸ as
jenny yehudai   83   1 Reply
5 months ago
The alkali metals are isolated from nonaqueous systems. Why is this necessary?
The alkali metals are isolated from nonaqueous systems. Why is this necessary?
[html]The alkali metals are isolated from nonaqueous systems. Why is this necessary?

▸ The el
chief333   109   1 Reply
5 months ago
The flotation process used in metallurgy involves
The flotation process used in metallurgy involves
[html]The  flotation process used in metallurgy involves

▸ the roasting of sulfides.
choco1433   104   1 Reply
5 months ago
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