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Which of the following is magnetite ?...

Which of the following is magnetite ?

A

`Fe_(2) CO_(3)`

B

`Fe_(2) O_(3)`

C

`Fe_(3) O_(4)`

D

`Fe_(2) O_(3) 3H_(2)O`

Text Solution

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The correct Answer is:
C
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ICSE-SAMPLE PAPER 3 (CHEMISTRY) -QUESTIONS
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  2. For which ore of the metal, froth floatation process is used:

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  3. Which of the following is magnetite ?

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  4. The ratio of number of atoms present in a simple cubic, body centered ...

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  5. Which of the following statement is/not true about hexagonal close pac...

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  6. Phenol is more acidic than:

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  7. Phenol reacts with bromine in carbon disulphide at low temperature to ...

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  8. Compound [A] C(4)H(10)O is found to be soluble in sulphuric acid. [A] ...

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  9. After heating A with excess of HI, the product formed is:

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  10. The method of zone refining of metals is based on the principle of :

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  11. The smelting of iron in a blast furance involves all the steps except

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  12. In a foc arrangement of P and Q atoms, where P atom are at the corners...

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  13. A metal crystallizes in foc lattice and the edge of the unit cell is 6...

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  14. The correct order of the acidic strength is:

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  15. What is the basicity of phosphorus acid ?

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  16. An organic compound X(C(4)H(9)Br) on treatment with alc, KOH gave isom...

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  17. An organic compound A with molecular formula C(4) H(9) Br on treatme...

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