A. Ca
B. Cr
C. Both of the above
D. None of the above
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Related Mcqs:
- 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...
- FeSO4 forms brown ring with________________?
- A. N2O3 B. NO2 C. NO D. N2O...
- Which element is necessary for normal leaf development ?
- A. Si B. Ba C. Mg D. Ca...
- Which one of the following is not the mono isotopic element ?
- A. arsenic B. uranium C. iodine D. nickel...
- The nucleus of an atom of every element will always contain____________________?
- A. neutrons B. protons and electrons C. protons D. protons and neutrons...
- Which of the following element act as inert electrode________________?
- CCu B. Ag C. Pt D. None...
- When an active metal like Al comes in contact with less active element like Cu then it produces__________________?
- A. dry cell B. galvanic cell C. electrolytic cell D. A and B...
- When a compound of transition element is dissolved in a solution of salt then it produces____________________?
- A. simples ions B. complex ions C. double salts D. strong anions...
- The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________?
- A. S-Block B. P-Block C. d-Block D. f-Block Submitted by: Muhammad Ali Kunbhar...
- Which one of the following is a bridge element?
- A. Be B. Cl C. K D. P Submitted by: Muhammad Ali Kunbhar...
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