A. Molecules of water in liquid state
B. Atoms of helium in gaseous state at high temperature
C. Molecules of hydrogen chloride gas
D. Molecules of solid iodine
0
The molecules of CO2 in dry ice form__________________?
0
Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?
A. Ionic crystal
B. Covalent crystal
C. Molecular crystal
D. Any type of crystal
0
A method of separation of components from its solution using Distribution law is ___________________?
A. one / seventeen
B. sixteen / seventeen
C. one / three
D. two / three
0
The type of filtering media used for filtration depending upon____________________?
A. Sublimation
B. Crystallisation
C. Solvent extraction
D. Distillation
0
Water absorber used in combustion analysis is___________________?
A. Nature of reactants
B. Nature of crucible
C. Nature of product
D. Nature of precipitate
0
Which of the following set has all species isoelectronic__________________?
A. 50% KOH
B. Lime water
C. CaCl2
D. Mg (CIO4)2
0
The volume occupied by 1.4g CO at S.T.P is___________________?
A. F – Cl – Br
B. Li+1 – Na+1 – K+1
C. F – Ne – Na+
D. H+ – H- – H
0
Isotopes differs in______________________?
A. 22.4 dm3
B. 2.24 dm3
C. 1.12 cm3
D. 1.12 dm3
1
A. arrangement of electrons in orbitals
B. position in the periodic table
C. properties depend upon mass
D. chemical properties
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