In nuclear explosion, the energy is released in the form of :
kinetic energy
electrical energy
potential energy
None of these
Which one of the following aqueous solutions of salts has the lowest pH value ?
CH3COONa
NaCl
NH4OOCCH3
NH4Cl
Methoxy methane and ethanol are :
positionl isomers
chain isomers
functional isomers
optical isomers
C.
functional isomers
CH3OCH3 C2H5OH
methoxy methane ethanol
(ether) (alcohol) functional group
(C2H6O) (C2H6O) molecular formula
Methoxy methane and ethanol both have same molecular formula but different functional groups so they are functional isomers .
KI and CusO4 solution when mixed gives :
CuI2 + K2SO4
Cu2I2 + K2SO4 + I2
K2SO4 + Cu2I2 + I2
K2SO4 + CuI2 + I2
The end product in the sequence would be
C3H7OH A B C
CH3-CCH
CH3-C(OH)=CH2
CH2=C=CH2
CH3-CH(OH)-CH2(OH)
Which of the following electrolytic solutions has the least specific conductance ?
0.02 N
0.2 N
2 N
0.002 N
Which of the following can be measured by the Ostwald-Walker dynamic method ?
Relative lowering of vapour pressure
Lowering of vapour pressure
Vapour pressure of the solvent
All of the above
Lanthanides and actinides are also called :
short periods
inner-transition elements
long periods
main transition elements