How NEET Chemistry Works — Practice

Question 1

The number of moles in 36 g of water (H₂O, molar mass 18 g/mol) is

Accepted Answer

A

Question 2

The number of molecules in 1 mole of any substance is

Accepted Answer

A

Question 3

The volume occupied by 1 mole of an ideal gas at STP is

Accepted Answer

A

Question 4

The molarity of a solution containing 0.5 mol of solute in 250 mL of solution is

Accepted Answer

A

Question 5

The molar mass of CO₂ (C = 12, O = 16) is

Accepted Answer

A

Question 6

The number of oxygen atoms in 1 mole of CO₂ is

Accepted Answer

A

Question 7

The percentage by mass of nitrogen in NH₃ (N = 14, H = 1) is approximately

Accepted Answer

A

Question 8

In the reaction N₂ + 3H₂ → 2NH₃, if 1 mole of N₂ reacts with 2 moles of H₂, the limiting reagent is

Accepted Answer

A

Practice — How NEET Chemistry Works