Which one of the following is not the mono isotopic element ?
Which one of the following is not the mono isotopic element ?
A. arsenic
B. uranium
C. iodine
D. nickel
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B. P2O5
C. H3PO3
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Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?A. Hydrogen Gas
B. Carbon Monoxide Gas
C. Both at same time
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__________ is one of the allotropic modifications of carbon.A. Silicon
B. Diamond
C. Iodine
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Regular coiling or zigzagging of polypeptide through hydrogen bonding is its___________________?A. Quantum structure
B. Secondary structure
C. Tertiary structure
D. Primary structureThe PH of Tears is __________?
The PH of Tears is __________?A. 7.0
B. 7.4
C. 7.8
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B. Dr.A.Walash
C. Schwartz
D. S.E.Manhan