Question

i) If g = GM/r² then where will the value of g be high at Goa Beach or on top of Mount Everest? 

ii) Identify from the following reactions the reactants that undergo oxidation and reduction? 

Fe + S → FeS 

iii) Find the odd one out and justify it. Fuse wire, M.C.B., Rubber Gloves, Generator 

iv) Name the defect shown in the diagram.

v) Molecular formula of Propane is C₃H₈ , write the structural formula of propane.

Answer 1

i) Goa beach.

ii) Iron (Fe) undergoes oxidation and Sulphur (S) undergoes reduction.

iii) Generator. All others are related to safety measures to avoid mishap due to electricity.

iv) Farsightedness or hypermetropia.

v)