A. steel B. bronze C. duralumin D. type metal Correct Answer: Option A A. steel
A. AlCI3 and NH4CI B. AICI3 and NaCI C. FeCI3 and KCI D. Na2SO4 and K2SO4 Correct Answer: Option A…
A. odour and atomicity B. colour and odour C. atomicity and density D. solubility and density Correct Answer: Option D…
A. Wilson cloud chamber B. Geiger- muller counter C. Mass spectrometer D. Photographic plate Correct Answer: Option C C. Mass…
A. Group ll B. Group llI C. d-block D. s-block Correct Answer: Option C C. d-block
A. metallic bonding B. ionic bonding C. covalent bonding D. dative bonding Correct Answer: Option B B. ionic bonding
A. reducing ability B. ductility C. ability to conduct electricity D. formation of coloured ions Correct Answer: Option D D.…
A. increases by 1 while the mass numer remains constant B. decreases by 2 while the mass number remains constant…
A. 1s electron of helium B. 1s electron of potassium C. 23 electron of boron D. 2s electron of carbon…
A. Electronegativy B. Electron affinity C. Atomic radlus D. lonlzation energy Correct Answer: Option C C. Atomic radlus