A. O-2
B. H+
C. Cl-
D. Na+
Related Mcqs:
- The highest temperature at which a substance can exist as a liquid is called its______________?
A. Critical temperature
B. Standard temperature
C. Absolute temperature
D. Upper consulate temperature - Which group contains elements that exist as monoatomic molecule?
A. 1
B. 2
C. 14
D. 18Submitted by: Muhammad Ali Kunbhar
- For which of the following compounds the term empirical formula cannot be applied ?
A. NaCl
B. H2O
C. CCI4
D. It can be applied to all mentioned above - Atom cannot be divided into simple unitstheorized by________________?
A. Rutherford
B. Dalton
C. Bohr
D. Schrodinger - Boric acid cannot be used__________________?
A. As antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamel and glazes - The gas which cannot be dried by conc. H2SO4 ?
A. SO2
B. H2S
C. CO2
D. C2H4 - Acetaldehyde cannot show
A. Iodoform test
B. Lucas test
C. Benedict’s test
D. Tollen’s testSubmitted by: Aamir khan Hullio
- When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?
A. Bromine
B. Chlorine
C. Fluorine
D. Iodine - Which one of the following sets consists of all coinage metals ?
A. Cu Hg Au
B. Cu Ag Au
C. Ag Au Hg
D. Cu Fe Au - Which of the following possesses maximum hydration energy ?
A. Na+
B. K+
C. Mg+2
D. Ca+2
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