A. 1-2Kg
B. 1-3Kg
C. 1-4Kg
D. 1-5Kg
Submitted by: Aamir khan Hullio
Related Mcqs:
- In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?
A. Hydrogen
B. Oxygen
C. Sulphur
D. OH - Michael Faraday discovered benzene in the gas which was produced by destructive distillation of vegetable oil that is done in________________?
A. The presence of Oxygen
B. The presence of Hydrogen
C. The absence of Oxygen
D. The presence of excessive Oxygen - Mostly elements have fractional atomic masses because of______________________?
A. Mass of an atom itself is in fraction
B. Atomic masses are average masses of isobars
C. Atmoic masses are average masses of isotopes proportional to their relative abundance
D. Atmoic masses are average masses of isotopes - The maximum amount of product obtained by balanced chemical equation is called as __________?
A. Practical yield
B. Theoretical yield
C. Actual yield
D. NOTSubmitted by: Aamir khan Hullio
- Benzene is a good solvent for__________________?
A. fats
B. resins
C. iodine
D. all the above - Phenanthrene is a fused polycyclic compound contains __________ benzene rings ?
A. Two
B. Three
C. Four
D. Five - What catalyst is employed when benzene is prepared from acetylene at 70°C?
A. Cr2O3 + A2O3 + SiO2
B. Raney nickel
C. Organo-nickel
D. Ni 250 – 300°C - Which one of the following methods will not give benzene ?
A. Heating sod. Salt of Benzoic acid with soda lime
B. Distilling phenol with Zn dust
C. Chlorobenzene with NaOH at 360°C & 150atm.
D. Hydrolysis of benzene sulphonic acid with super heated steam - By which method the molecular mass of benzene was determined as 78.108 ?
A. Specific gravity method
B. Vapour density method
C. X-ray diffraction method
D. Distillation methos - Benzene is heated in air with V2O5 at 450°C it undergoes________________?
A. Substitution reaction
B. Addition reaction
C. Elimination reaction
D. Oxidation reaction
