Test your knowledge of chemistry with MCQTRIP.COM online multiple choice questions. Improve your understanding of chemistry concepts with our free MCQs. Twenty (20) MCQ questions from our test bank will be randomly shown for every attempt. Passing mark for this test is 70%.

Objectives: To provide a comprehensive online resource for chemistry MCQs, helping users to test and improve their knowledge of chemistry concepts.

Welcome to your Chemistry  MCQ practice assessment.

Click NEXT   to start.

If a more active element replaces a less active one in a compound, the reaction is:

What is the charge of a hydrogen atom?

The energy possessed by a substance that allows it to be changed into a new substance

The horizontal arrangement of elements of increasing atomic number in a Periodic table is called:

A laboratory experiment was performed to determine the percent by mass of water in a hydrate. The accepted value is 36.0% water whose observed value has an error of 5.00%. Find the percent by mass of water

What is the mass in kilograms of 10.5 gal (39.7 L) of gasoline with a specific gravity of 0.82

What pressure must be applied to 225mL of gas at 1atm to reduce its volume to 100mL?

The numerical value for standard pressure of any gas is

The forces that hold atoms together are called

What kind of chemical bond will form in binary compounds where the electronegativity difference between atoms is greater than 2.0

An example of a ternary compound is

It refers to matter that do not have definite form or structure

The element which has a mass of about 9 amu is Berylium (Be), atomic number 4. What is the charge on the Be atom?

The elements that a compound is composed of are present in fixed and precise proportion by mass. This is known as:

The statement “mass is neither created nor destroyed in a chemical reaction” is known as:

Term used to denote the technology of treating a mined ore to obtain a product higher on concentration of a wanted mineral from the unwanted rock mass in which it occurs.

It is a product of the weathering of complex silicates, particularly of feldspars which are abundant minerals

It is considered as derivatives of ammonia in which one or more of the hydrogens have been replaced by the alkyl or aryl group. It is characterized by unpleasant odors

A homogenous mixture can be separated by all of the following methods except

Which of the following is not a pure substance?