Which of the following pairs of sets are disjoint
`{ a, e, i, o, u } and { c, d, e, f }`

Which of the following pairs of sets are disjoint {1, 2, 3, 4} and { x : x is a natural number and 4 ≤ x ≤ 6 }

Which of the following pairs of sets are disjoint { x : x is an even integer } and { x : x is an odd integer}

Find the union of each of the following pairs of sets : A = [ a, e, i, o, u} B = {a, b, c}

State whether each of the following statement is true or false. Justify your answer. { a, e, i, o, u } and { a, b, c, d } are disjoint sets.

Which of the following can undergo a chemical reaction? M g S O 4 + F e Z n S O 4 + F e M g S O 4 + P b C u S O 4 + F e

Which element of the following pairs of elements has higher ionisation energy? Justify your answer a) K or Ca b) Be or B c) I or Ba d) F or Cl e) N or O

Which of the following will show optical activity ? (E) 50//50 mixture of C and D

Which one of the following pairs is isostructural (i.e., having the same shape and hybridization) ?

Let V = { a, e, i, o, u } and B = { a, i, k, u} . Find V – B and B – V