(A) Li
(B) Na
(C) Ca
(D) Cs
Tag: Chemistry mcqs
The oxidation of all elements in free state is?
(A) Zero
(B) One
(C) Two
(D) Three
The oxidation number of Nitrogen in HNO3 is?
(A) +4
(B) +5
(C) +6
(D) +7
___ will show negligible effect of temperature on its solubility.
(A) KNO3
(B) KCL
(C) NaNO3
(D) NaCl
___ is not an amorphous solid?
(A) Glass
(B) Rubber
(C) Plastic
(D) Glucose
Which compound is not soluble in water?
(A) NaCl
(B) C6H6
(C) KBr
(D) MgCl2
Mendeleeve’s periodic table was based upon the?
(A) Electronic configuration
(B) Atomic number
(C) Atomic mass
(D) Completion of sub shell
Highest electronegative element is?
(A) Chlorine
(B) Fluorine
(C) Bromine
(D) Iodine