Question : Which of the following is used for the preparation of Dynamite?

Option 1: Methyl alcohol

Option 2: Iron oxide

Option 3: Nitroglycerin

Option 4: Copper sulphate

Question : Nitrogen in water is commonly found in the form of:

Option 1: Nitrous oxide

Option 2: Nitrate

Option 3: Nitric oxide

Option 4: Nitrite

Question : Which of the following statements is correct regarding the climate of the Indian subcontinent?
A. The climate of North India remains similar throughout the year
B. The Himalayas protect the subcontinent from extremely cold winds from central Asia.

Option 1: Only statement B is correct.

Option 2: Both statements A and B are incorrect.

Option 3: Only statement A is correct.

Option 4: Both statements A and B are correct.

Question : Identify whether the given statements about p-block elements are correct or incorrect.

Statement A: In p-block elements, the last electron enters the outermost p orbital.

Statement B: The non-metals and metalloids exist only in the p-block of the periodic table.

Option 1: Both Statements A and B are correct.

Option 2: Only Statement A is correct.

Option 3: Both Statements A and B are incorrect.

Option 4: Only Statement B is correct.

Question : Which among the following is a copper mineral?

Option 1: Azurite

Option 2: Bauxite

Option 3: Halite

Option 4: Hematite