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.

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

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