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.Management Sciences
Category: Chemistry Mcqs
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
The relative lowering of vapour pressure is directly proportional to molality if the solution is________________?
A. concentrated
B. dilute
C. saturated solution
D. all of the above
Molar heat of vaporization of water is_________________?
A. 40.7 KJ/mole
B. 40.7 J/mole
C. 40.7 cal/mole
D. 40.7 Kcal/mole
The solid which is left over the filter paper as a result of filtration_________________?
A. Insoluble particles
B. residue
C. crystals
D. mud
Which solids are called true solids _______________?
A. Metallic
B. Amorphous
C. Crystalline
D. Vitreous
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its___________________?
A. Quantum structure
B. Secondary structure
C. Tertiary structure
D. Primary structure
Which one is not the absolute term of the element _________________ ?
A. Ionization energy
B. Electron affinity
C. Electro negativity
D. Atomic size
Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal ?
A. aluminium can be recycled
B. aluminium has very low density
C. aluminium is the most abundant metal in the earth crust
D. aluminium is resistant to corrosion by organic acids.
Pfund series are produced in the spectrum of hydrogen atom__________________?
A. when electrons jump down to 2nd- orbit
B. when electrons jump down to 3rd- orbit
C. when electrons jump down to 4th- orbit
D. when electrons jump down to 5th- orbit
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