A. All the metals are good conductor of electricity
B. All the metals are good conductor of heat
C. All the metals form positive ions
D. All the metals form acidic oxides
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Keeping in view the size of atom which order is correct one ?
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Iodine is solid due to_________________?
A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. C1 > I
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Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?
A. Strong covalent bond
B. Large value of dipole moment
C. High polarizability
D. Strong hydrogen bonding
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Oxidation state of an atom represents____________________?
A. Covalent halides
B. Electronegative halides
C. Polymeric halides
D. Polymeric hydrides
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Metallic characters of alkali metals_____________________?
A. Number of electrons gained
B. Number of electrons lost
C. Apparent charge in compound
D. Its vacancies
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Addition of 2nd electron to a uni negative ion is always____________________?
A. Increase down the group
B. Decrease down the group
C. No regular trend
D. Remain same
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Ionization energy depends upon____________________?
A. Exothermic
B. Endothermic
C. Data is insufficient
D. Unpredictable
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Deuterium reacts with oxygen to form________________?
A. Nuclear charge
B. Atomic size
C. Shielding effect
D. I.E depends upon all of the above and nature of orbital
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The property which increases upto group IV-A then decreases on wards_______________?
A. Hard water
B. Heavy water
C. Soft water
D. Water gas
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