Question : Which of the following elements is the densest naturally occurring element?

Option 1: Palladium

Option 2: Iridium

Option 3: Ruthenium

Option 4: Osmium

Question : Directions: In these questions, a part of the sentence is in bold. Below are given alternatives to the bold parts at (1), (2), and (3), which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).

The school was very co-operation when we made a documentary film there.

(1) very co-operator

(2) very co-operative

(3) very co-operated

(4) No Improvement

Option 1: (1)

Option 2: (2)

Option 3: (3)

Option 4: (4)

Question : Kolar fields were famous for which of the following minerals?

Option 1: Diamond mining

Option 2: Copper mining

Option 3: Gold mining

Option 4: Coal mining

Question : How many oxygen atoms are there in a molecule of acetic acid?

Option 1: 1

Option 2: 2

Option 3: 4

Option 4: 3

Question : Which of the following regions related to iron ore minerals is located in the state of Odisha?

Option 1: Burdwan

Option 2: Noamundi

Option 3: Mayurbhanj

Option 4: Kemmangundi