Deuterium reacts with oxygen to form________________?
A. Hard water B. Heavy water C. Soft water D. Water gas
Chemistry MCQs
Ionization energy depends upon____________________?
A. Nuclear charge B. Atomic size C. Shielding effect D. I.E depends upon all of the above and nature of orbital
Addition of 2nd electron to a uni negative ion is always____________________?
A. Exothermic B. Endothermic C. Data is insufficient D. Unpredictable
Metallic characters of alkali metals_____________________?
A. Increase down the group B. Decrease down the group C. No regular trend D. Remain same
Oxidation state of an atom represents____________________?
A. Number of electrons gained B. Number of electrons lost C. Apparent charge in compound D. Its vacancies
Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?
A. Covalent halides B. Electronegative halides C. Polymeric halides D. Polymeric hydrides
Iodine is solid due to_________________?
A. Strong covalent bond B. Large value of dipole moment C. High polarizability D. Strong hydrogen bonding
Keeping in view the size of atom which order is correct one ?
A. Mg > Sr B. Ba > Mg C. Lu > Ce D. C1 > I
When – COOH is attached directly to the benzene ring the acid is called__________________?
A. Aliphatic B. Alicyclic C. Carboxylic D. Aromatic
The common thing in phthalic acid and oxalic acid is that both are_________________?
A. Aromatic B. Dicarboxylic C. Hydrocarbons D. Strong acids