Charge of electron was measured by__________________?
Charge of electron was measured by__________________?
A. J.J Thomson
B. Millikan
C. Rutherford
D. Perrin
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Keeping in view the size of atom which order is correct one ?
Keeg in view the size of atom which order is correct one ?A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. C1 > IIf a graph is plotted between temperature on x-axis and volume on y-axis for 1 mole of gas then we get straight line which cuts the temperature exis at________________?
If a graph is plotted between temperature on x-axis and volume on y-axis for 1 mole of gas then we get straight line which cuts the temperature exis at________________?A. 0?C
B. 273.16K
C. ?273.16 K
D. ?273.16?CIn Dry cell, cathode is made up of_______?
In Dry cell, cathode is made up of_______?A. Zinc
B. Carbon (Graphite)
C. ZnCl²
D. MnO²(Pyrolusite)Which of the following theories is superior to others__________________?
Which of the following theories is superior to others__________________?A. VSEPR
B. VBT
C. MOT
D. none of the aboveWhat catalyst is employed when benzene is prepared from acetylene at 70°C?
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°COrbitals of same energy produced after mixing of orbitals of different energy are called __________________?
Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?A. Degenerate orbitals
B. Generate orbitals
C. Hybrid orbitals
D. Zeeman orbitals