Question : Identify the correct statement concerning unsaturated hydrocarbons.

Option 1: Compounds of carbon having a single bond between their carbon atoms are called unsaturated compounds.

Option 2: Compounds of carbon having double bonds or triple bonds between their carbon atoms are called unsaturated compounds.

Option 3: Compounds of carbon having single bonds between their oxygen atoms are called unsaturated compounds.

Option 4: Compounds of carbon having double or triple bonds between their hydrogen atoms are called unsaturated compounds.

Question : Rutherford's  scattering experiment proved the presence of

Option 1: Atoms in all matter

Option 2: electrons in atoms

Option 3: neutrons in atoms

Option 4: nucleus in atoms

Question : In 1845, which German chemist published a method for the synthesis of acetic acid, a natural product containing two carbon atoms?

Option 1: Friedrich Wohler

Option 2: Marcellin Berthelot

Option 3: Joseph Gay-Lussac

Option 4: Hermann Kolbe

Question : When  Arsenic atoms are added to Germanium lattice, it become a/an

Option 1: Insulator

Option 2: Superconductor

Option 3: Intrinsic semiconductor

Option 4: Extrinsic semiconducter

Question : Atoms having the same number of protons but different numbers of neutrons are called

Option 1: Isotopes

Option 2: Cations

Option 3: Higgs Boson

Option 4: Anions