The metal which is used in thermite process because of its activity is____________________?

Related Mcqs:

1. Because of its ability to combine with both oxygen and nitrogen aluminium metal is used_____________?

   A. As nitrometer B. To remove air bubbles from molten metal C. To produce alloy D. As insulator...

2. The metallurgical process in which a metal is obtained in a fused state is called__________?

   A. smelting B. roasting C. calcinations D. froth floatation Submitted by: Muhammad Ali Kunbhar...

3. Phosphoric acid is a weak acid and its basicity is____________________?

   A. 1 B. 3 C. zero D. 2...

4. A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?

   A. 24 B. 32 C. 36 D. 40 Submitted by: Muhammad Ali Kunbhar...

5. The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?

   A. 0.12g B. 0.16g C. 0.18g D. 0.24g Submitted by: Muhammad Ali Kunbhar...

6. Boron is non metal while other elements of IIIA group are metals. This is because______________?

   A. it has small size B. it has high nuclear charge C. it forms molecular addition compounds D. all of the above...

7. Boron is non-netal whereas A1 is metal. It is due to_______________________?

   A. Small size B. High nuclear charge C. Both A and B D. No authorized justification yet...

8. The most paramagnetic element is____________________?

   A. Iron B. Cobalt C. Chromium D. Manganese...

9. The main pollutant of leather tanneries in the waste water is____________________?

   A. chromium III B. chromium IV C. chromium V D. chromium VI...

10. In K2Cr2O7 the oxidation number of chromium is____________________?

    A. 7 B. 6 C. -7 D. -6...