A. Teflon
B. asbestos
C. saran
D. acrylic
Which of the following is mineral fiber ? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. 1s2 2s2 2p6 3s2 3p6 3d7
B. 1s2 2s2 2p6 3s2 3p6 4s2 4p5
C. 1s2 2s2 2p6 3s2 3p5 3d10
D. 1s2 2s2 2p6 3s2 3p6 4s23d5
A. Electrons fill orbitals with parallel ss until all the orbitals of the same energy are half filled then they go into sub-shells with anti-parallel (opposite) s.
B. The electrons in the same atom cannot have the same four quantum numbers
C. There is maximum of two electrons is an orbital.
D. None
Which statement is consistent with Hunds rule ? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. 1
B. 2
C. 3
D. 4
A. 0.33 nm
B. 0.34 nm
C. 0.35 nm
D. 0.36 nm
A. they cast shadow
B. they possess momentum
C. they are negatively charged
D. all of the above
A. Analytical balance
B. Guoys balance
C. Electrical balance
D. Single beam balance
Paramagnetic behaviour of substance is measured by a balance called___________________? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. Polar solvent
B. Non polar solvent
C. Fused metal
D. None
Metallic crystals are soluble in________________? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. 2
B. 3
C. 4
D. 5
Butyl chloride gives possible isomers ? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. Plastic
B. Glass
C. Rubber
D. None of the above
Which of the following solids show anisotropy___________________? Read More »
Chemistry Basic Concept, Chemistry Mcqs