A. Iron
B. Cobalt
C. Chromium
D. Manganese
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Related Mcqs:
- Paramagnetic behaviour of substance is measured by a balance called___________________?
- A. Analytical balance B. Guoys balance C. Electrical balance D. Single beam balance...
- Which is the paramagnetic oxide of chlorine ?
- A. Cl2O7 B. Cl2O6 C. ClO2 D. all...
- Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________?
- A. 2 B. 6 C. 4 D. 8...
- Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?
- A. The nature of its oxides B. The charge on its ions C. The formula of its oxide D. Its number of isotopes...
- Which element has same isotopes like palladium___________________?
- A. Nickel B. Calcium C. Cadmium D. Tin...
- Empirical formula of chloroform is____________________?
- A. CH2 C12 B. CH3C1 C. CC14 D. CHCL3...
- Chemical composition of cinnabar is____________________?
- A. FeS2 B. HgS C. PbS D. ZnS...
- In K2Cr2O7 the oxidation number of chromium is____________________?
- A. 7 B. 6 C. -7 D. -6...
- The metal which is used in thermite process because of its activity is____________________?
- A. iron B. copper C. aluminium D. zinc...
- Phosphoric acid is a weak acid and its basicity is____________________?
- A. 1 B. 3 C. zero D. 2...
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