set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Match List-I with List-II and select the correct answer using the codes given below the lists:

a) A → (4); B → (3); C → (1); D → (2); E → (5)

b) A → (1); B → (2); C → (4); D → (3); E → (5)

c) A → (4); B → (3); C → (2); D → (1); E → (5)

d) A → (4); B → (1); C → (2); D → (3); E → (5)

Question : 2

Which one of the following is present in the largest amount in terms of percent by mass in the Earth’s crust?

a) Silicon

b) Carbon

c) Oxygen

d) Calcium

Question : 3

Consider the following statements :

1. Metals can form positive ions by losing electrons to non-metals.
2. Different metals have same reactivities with water and dilute acids.
3. A more reactive metal displaces a less reactive metal from its salt solution.

a) 2 and 3

b) 1 and 3

c) 1 and 2

d) 1, 2 and 3