The gas used in manufacturing of urea fertilizer__________________?
The gas used in manufacturing of urea fertilizer__________________?
A. C2H6
B. C2H4
C. C2H2
D. CH4
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If volumetric analysis methyl orange indicator is used when_________?
If volumetric analysis methyl orange indicator is used when_________?A. Acid is strong
B. Acid is weak
C. Bade is strong
D. Acid is strong base is weakCrystallization does not involve_______________?
Crystallization does not involve_______________?A. heating
B. sublimation
C. cooling
D. vaporizationWhich of the following is not a condition for the formation of smog ?
Which of the following is not a condition for the formation of smog ?A. sufficient NO
B. sunlight
C. less movement of air
D. windsWhen the radiation of light is passed through a prism, it undergoes __________?
When the radiation of light is passed through a prism, it undergoes __________?A. reflection
B. interference
C. diffraction
D. refractionFor 3rd order reaction the hhalf life is inversely proportional to initial concentration of reactants__________________?
For 3rd order reaction the hhalf life is inversely proportional to initial concentration of reactants__________________?A. Single
B. Square
C. Cube
D. Raise to power fourHydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____
Hydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____A. 500⁰C
B. 700⁰C
C. 900⁰C
D. 1300⁰C