Diameter of an atom is in the order of________________?
Diameter of an atom is in the order of________________?
A. 0.2m
B. 0.2mm
C. 0.2nm
D. 0.2pm
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Absolute alcohol is obtained when rectified spirit is treated with__________________?
Absolute alcohol is obtained when rectified spirit is treated with__________________?A. Ca(OH)2
B. CaCO3
C. CaCl2
D. CaOAn element having low value of ionization energy and low value of electron affinity is likely to belong to__________________?
An element having low value of ionization energy and low value of electron affinity is likely to belong to__________________?A. Group IA
B. Group IB
C. Group VIIA
D. Group VIIIWhich one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone ?
Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone ?A. primary alcohol
B. secondary alcohol
C. tertiary alcohol
D. dihydric alcoholWhich of the solid does not contain covalent bond__________________?
Which of the solid does not contain covalent bond__________________?A. copper
B. ice
C. diamond
D. graphiteWhich of the following will have the highest boiling point ?
Which of the following will have the highest boiling point ?A. methanol
B. ethanal
C. propanal
D. hexanoneWhat is the molecular formula for Nitric acid ________ ?
What is the molecular formula for Nitric acid ________ ?A. HNO2
B. HNO3
C. HN2O2
D. H2NO4