Conjugated base of a weak acid is_________________?
Conjugated base of a weak acid is_________________?
A. weak
B. strong
C. moderately weak
D. unstable
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Consider the following redox reaction. Zn+dil HNO3? Zn (NO3)2 + N2O + H2O The coefficient number of HNO3 in the equation is__________________?
Consider the following redox reaction. Zn+dil HNO3? Zn (NO3)2 + N2O + H2O The coefficient number of HNO3 in the equation is__________________?A. 6
B. 8
C. 10
D. 4Which of the following processes is used for the synthesis of cement ?
Which of the following processes is used for the synthesis of cement ?A. dry process
B. wet process
C. both
D. noneThe gas used in manufacturing of urea fertilizer__________________?
The gas used in manufacturing of urea fertilizer__________________?A. C2H6
B. C2H4
C. C2H2
D. CH4Rutherfords planet like structure was defective and unsatisfactory because_________________?
Rutherfords planet like structure was defective and unsatisfactory because_________________?A. Moving e- accelerate towards the nucleus
B. Continuous spectrum
C. behavior of electron remain unexplained
D. allI3( Tri-iodine) has shape_________?
I3( Tri-iodine) has shape_________?A. Trigonal bipyramidal
B. Linear
C. Square bipyramidal
D. Both A and CSN2 reaction can be best carried out with__________________?
SN2 reaction can be best carried out with__________________?A. primary alkyl halide
B. secondary alkyl halide
C. tertiary alkyl halide
D. all