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 : What is the significance of the iron and steel industry?

Option 1: It is used in the production of textiles

Option 2: It is a major component in construction and manufacturing

Option 3: It is primarily used in agriculture

Option 4: It has no significant industrial use

Question : Buckminsterfullerene is a nanoparticle characterised by spherical geometry and a hollow interior which contains how many carbon atoms?

Option 1: 60

Option 2: 50

Option 3: 40

Option 4: 70

Question : The gas used to extinguish fire is

Option 1: Neon

Option 2: Nitrogen

Option 3: Carbon dioxide

Option 4: Carbon monoxide

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