set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

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

Question : 2

Consider the following statements:

1. The discovery of inert gases later on did not disturb Mendeleev’s arrangement.
2. In the present periodic table, periodicity in the properties of elements is related to the periodicity in their electronic configurations.

a) 1 and 2 both

b) 2 only

c) 1 only

d) None

Question : 3

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

a) 4 3 2 1

b) 2 3 1 4

c) 1 2 3 4

d) 3 4 1 2

Question : 4

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 : 5

Which of the following elements are contained in the fertilizer super-phosphate?

1. Phosphorus
2. Hydrogen
3. Nitrogen
4. Calcium

a) 2, 3 and 4

b) 3 and 4

c) 1, 2 and 4

d) 1, 2 and 3