06. GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
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GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25821 Formula of magnetite is

1 \(F{e_2}{O_3}\)
2 \(Fe{S_2}\)
3 \(FeC{O_3}\)
4 \(F{e_3}{O_4}\)
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25822 Which of the following is ferrous alloy

1 Invar
2 Solder
3 Magnalium
4 Type metal
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25823 Which of the following ores does not represent the ore of iron

1 Haematite
2 Magnetite
3 Cassiterite
4 Limonite
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25824 The formula of haematite is

1 \(F{e_3}{O_4}\)
2 \(F{e_2}{O_3}\)
3 \(FeC{O_3}\)
4 \(Fe{S_2}\)
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GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25821 Formula of magnetite is

1 \(F{e_2}{O_3}\)
2 \(Fe{S_2}\)
3 \(FeC{O_3}\)
4 \(F{e_3}{O_4}\)
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25822 Which of the following is ferrous alloy

1 Invar
2 Solder
3 Magnalium
4 Type metal
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25823 Which of the following ores does not represent the ore of iron

1 Haematite
2 Magnetite
3 Cassiterite
4 Limonite
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25824 The formula of haematite is

1 \(F{e_3}{O_4}\)
2 \(F{e_2}{O_3}\)
3 \(FeC{O_3}\)
4 \(Fe{S_2}\)
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GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25821 Formula of magnetite is

1 \(F{e_2}{O_3}\)
2 \(Fe{S_2}\)
3 \(FeC{O_3}\)
4 \(F{e_3}{O_4}\)
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25822 Which of the following is ferrous alloy

1 Invar
2 Solder
3 Magnalium
4 Type metal
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25823 Which of the following ores does not represent the ore of iron

1 Haematite
2 Magnetite
3 Cassiterite
4 Limonite
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25824 The formula of haematite is

1 \(F{e_3}{O_4}\)
2 \(F{e_2}{O_3}\)
3 \(FeC{O_3}\)
4 \(Fe{S_2}\)
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GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25821 Formula of magnetite is

1 \(F{e_2}{O_3}\)
2 \(Fe{S_2}\)
3 \(FeC{O_3}\)
4 \(F{e_3}{O_4}\)
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25822 Which of the following is ferrous alloy

1 Invar
2 Solder
3 Magnalium
4 Type metal
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25823 Which of the following ores does not represent the ore of iron

1 Haematite
2 Magnetite
3 Cassiterite
4 Limonite
GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

25824 The formula of haematite is

1 \(F{e_3}{O_4}\)
2 \(F{e_2}{O_3}\)
3 \(FeC{O_3}\)
4 \(Fe{S_2}\)
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