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.Management Sciences
Category: Chemistry Mcqs
The longest period in the modern periodic table is___________________?
0
A. 6th
B. 7th
C. 2nd and 3rd both
D. 5th
Which of the following is different with respect to physical appearance ?
A. Arsenic
B. Phosphorus
C. Antimony
D. Bismuth
Ether functional group can be represented as ____________________?
A. OH
B. R-CO-R
C. R-O-R
D. R-COOH
The mechanism by which the genetic information can be duplicated is called_________________?
A. Duplication
B. Transcription
C. Replication
D. Mutation
State function the macroscopic property of system depends upon________________?
A. path of reaction
B. initial state
C. final state
D. initial and final state
The melting points and boiling points upto meddle of 3d- series ____________________?
A. increases
B. decreases
C. remain same
D. no regular trend
The test which is used for the identification of amino-acids is_________________?
A. Ninhydrin test
B. Molisch test
C. Biuretic test
D. Benedict test
Magnesium metal does not burn in the vessel containing_______________?
A. N2
B. O2
C. N2 and O2
D. Ne
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