A. Sulphur
B. Carbon
C. Silica
D. Tin
Related Mcqs:
- The most reactive allotropic form of phosphorus is________________?
A. White
B. Redox potential
C. Black
D. Violet - Allotropic form of phosphorus that is poisonous is___________________?
A. White
B. Red
C. Black
D. Violet - Which allotropic form of phosphorous is the most stable ?
A. White
B. black
C. red
D. Violet - __________ is one of the allotropic modifications of carbon.
A. Silicon
B. Diamond
C. Iodine
D. GraphiteSubmitted by: Shumail Farhan
- The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?
A. vaporization
B. evaporation
C. crystallization
D. sublimation - In solids the temperature is the measure of__________________?
A. Average kinetic energy of molecules
B. Vibrational kinetic energy
C. Translational kinetic energy
D. None of the above - Free neutron changes into proton with the emission of__________________?
A. Neutrino
B. Electron
C. Both A & B
D. Meson - Pi bonds are produced by overlapping of__________________?
A. Un-hybrid orbitals
B. Hybrid orbitals
C. Hybrid and un hybrid orbitals
D. atomic orbital and hybrid orbital - Nucleic acids direct the synthesis of__________________?
A. Glucose
B. Triglycerides
C. Proteins
D. All - In diaphragm cell hydrogen is discharged by the reduction of__________________?
A. Water
B. HCI
C. Na+
D. NaCl
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