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Thermite is a mixture of :...

Thermite is a mixture of `:`

A

Fe powder and ` Al_2O_3`

B

Al powder and ` Fe_2O_3`

C

Cu powder and ` Fe_2 O_3`

D

Zn powder and `Cr_2O_3`

Text Solution

Verified by Experts

The correct Answer is:
B
Thermite is a mixture of Al and `Fe_2O_3` in 1:3 ratio.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Exercise 2
  1. Thermite is a mixture of :

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  2. Which of the following statement is incorrect ?

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  3. Sulphide ores of metals are usually concentrated by both floatation pr...

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  4. The fluorspar (CaF2) is added in small quantities in the electrolytic ...

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  5. In the equation: M+8CN^(-)+2H(2)O+O(2)to4[M(CN)(2)]^(-)+4OH^(-) meta...

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  6. Match the following . The correct answer is

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  7. Bell metal is an alloy of

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  8. Specific gravity of slag is

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  9. Match the following Columns and choose the correct option from the co...

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  10. For the reduction of FeO at the temperature corresponding to point D, ...

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  11. Which of the following statement(s) is/are incorrect ? I. Zinc can b...

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  12. Match Column I with Column II and select the correct answer using the ...

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  13. Consider the following reaction at 1000^(@)C (A) Zn (s) + (1)/(2) O...

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  14. In Mac Arthur Forest method, silver is extracted from the solution of ...

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  15. Which method of purification is represented by the following equations...

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  16. In aluminium extraction by Bayer process, alumina is extracted from ba...

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  17. Which of the following statement is incorrect?

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  18. Match the following Columns and choose the correct option from the cod...

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  19. Aluminothermic process is used for the extraction of metals, whose oxi...

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  20. Match the column I and column II and pick the correct matching from th...

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