A. Natural rubber
B. Vulcanized rubber
C. synthetic rubber
D. All of the above
Submitted by: Aneela shabbir
Related Mcqs:
- Isomorphic substances have _______________?
A. Same physical and chemical properties
B. Same physical and different chemical properties
C. Different physical and same chemical properties
D. Different physical and chemical properties - Which solids are called true solids _______________?
A. Metallic
B. Amorphous
C. Crystalline
D. Vitreous - Splitting of spectral lines when atom is subjected to magnetic field is called _______________?
A. Zeemans effect
B. Starks effect
C. Photo electric effect
D. Compton effect - _______________ can expel proteons from paraffins ?
A. Electron
B. Positron
C. Neutron
D. None of above has such capability - Which type of bond is formed by overlap of p orbitals _______________?
A. Pi
B. Sigma
C. Both
D. Neither - Bromine can be liberated from KBr solution by the action of _______________?
A. Iodine solution
B. Chlorine
C. NaCl
D. Ki - Solvent used in separation of biomolecules is _______________?
A. Acetone
B. Trichloroacetic acid
C. Ether
D. AlcoholSubmitted by: Safeullah Bullo
- The conversion of vapours back into their liquid state is called__________________?
A. crystallization
B. evaporization
C. vaporization
D. condensation - Planks theory says energy is emitted__________________?
A. In continuous manner
B. Discontinuous manner
C. Simultaneously
D. In the form of heat - Neutrons moving with an energy of 1.2 MeV are called_______________?
A. Fast neutrons
B. Slow neutrons
C. Moderate neutrons
D. All are possible
The correct answer to the question: "Neoprene is _______________?" is "synthetic rubber".
