Class 7 Chemistry Basics Quiz

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7 Questions

Which subatomic particle has a negative charge?


What is the chemical symbol for sodium?


What is the formula for calculating the density of a substance?


Which of the following is an example of a chemical change?

Burning wood

Which of the following best describes a radical in chemistry?

A group of atoms that act as a single atom in a chemical reaction

What is the role of acids and bases in chemical reactions?

Acids and bases catalyze chemical reactions

What is the fundamental difference between an atom and a molecule?

An atom consists of only one type of element, while a molecule can have multiple types of elements

Test your knowledge of basic chemistry concepts with this Class 7 quiz. Answer questions about subatomic particles, density calculation, chemical symbols, and identifying chemical changes.

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