Search
.Management Sciences
Category: Chemistry Mcqs
Nitrates of which pair of elements give different products on thermal decomposition ?
0
A. Na K
B. Mg Ca
C. Li Na
D. Li Ca
Ethanol and methanol can be distinguished by a__________________?
A. Iodoform test
B. Lucas test
C. Benedicts test
D. Tollens test
Atom cannot be divided into simple unitstheorized by________________?
A. Rutherford
B. Dalton
C. Bohr
D. Schrodinger
Energy released or absorbed when electrons are added in atom is_________________?
A. Ionization potential
B. Electronegativity
C. Electron affinity
D. Activation energy
Wavelength of electron was verified by_________________?
A. Moseley
B. Davisson and Germer
C. Einstein
D. Roentgen
Which discovery caused a revision in the periodic law as stated by Mendeleev ?
A. Location of nucleus by Rutherford
B. Atomic number by Moseley
C. X-rays by Roentgen
D. Natural radioactivity by Henry Bacquerel.
Recent Comments