Class 7 Online Courses

Chapter 2: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 2

Atoms and Atom Model MCQ (Multiple Choice Questions) PDF - 38

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Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 38

MCQ 186: The positive ion is known as

A) cation
B) anion
C) positron
D) negatron

MCQ 187: The symbol of "Hydrogen" is

A) H
B) He
C) Na
D) Hy

MCQ 188: When "Uranium-238" is bombarded with neutrons, it produces

A) heat
B) electricity
C) nuclear energy
D) light

MCQ 189: Some nuclear power plants use an artificial isotope instead of uranium. This isotope is known as

A) Plutonium-239
B) Platinum-198
C) Einsteinium-252
D) Titanium-48

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Earth Science App (Android & iOS)