The pH of a solution with a hydrogen ion concentration of 1 x 10⁻³ M is:

Which of the following is a major function of carbohydrates in living organisms?

What is the modern quantum mechanical model based on?

What is the primary focus of thermodynamics?

The Carnot efficiency of a heat engine operating between two temperatures (T₁ and T₂) is given by:

The reaction between an alkane and a halogen in the presence of sunlight is known as:

In a double covalent bond, how many pairs of electrons are shared between two atoms?

In thermodynamics, the term "adiabatic" refers to a process without:

Which of the following is a metalloid?

Which acid is responsible for the tangy taste in lemons and limes?