A. Sulphur
B. Carbon
C. Silica
D. Tin
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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. Graphite Submitted 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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