AP Chemistry MCQ Question with Answer

AP Chemistry MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 22
Which of the following is a noble gas used in lighting?

Argon

Fluorine

Chlorine

Bromine

Question No : 23
Which subatomic particle has a negative charge?

Proton

Neutron

Electron

Nucleus

Question No : 24
Which element is the primary component of organic molecules?

Nitrogen

Oxygen

Carbon

Hydrogen

Question No : 25
Which element is commonly used in batteries?

Calcium

Lithium

Aluminum

Zinc

Question No : 26
What is the chemical symbol for silver?

Question No : 27
Which element is a noble gas and is often used in advertising signs?

Neon

Xenon

Krypton

Argon

Question No : 28
Which element is essential for all organic compounds?

Carbon

Oxygen

Hydrogen

Nitrogen