Is (ii) log 100 is rational or irrational ? Justify your answer.

Is (i) log 2 is rational or irrational ? Justify your answer.

Is log_3 81 rational or irrational ? Justify your answer.

Is pi a rational or irrational ? Give reasons.

Is silver is mineral or Ore? Justify your answer.

Is a square similar to a rectangle? Justify your answer.

Which has more number of atoms 100 g of sodium or 100 g of iron? Justify your answer. Atomic mass of sodium =23 u, atomic mass of iron= 56 u)

Is oxidation good or evil or both ? Justify your answer with examples.

Prathyusha stated that “the average of first 10 odd numbers is also 10”.Do you agree with her? Justify your answer.

Is the units digit in the value of 6^n where 'n' is a natural number is zero? Justify your answer.