Class 9 Online Courses

Chapter 1: Class 9 Chemistry Exam Tests

Class 9 Chemistry MCQs - Chapter 1

Chemical Reactivity Multiple Choice Questions PDF Download - 1

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Chemical Reactivity Questions & Answers PDF Download: MCQ Quiz 1

MCQ 1: Metal that difficult to oxidize are called

A) weak metals
B) strong metals
C) noble metals
D) ionic metals

MCQ 2: On contact with oxygen, Rubidium forms

A) normal oxide
B) per oxide
C) super oxide
D) trioxide

MCQ 3: The most metallic among the following is

A) Na
B) K
C) Al
D) B

MCQ 4: As we move across the period the electronegativity

A) decreases
B) increases
C) remains same
D) becomes zero

MCQ 5: As we move across the period from left to right, the reactivity of metals with oxygen

A) decreases
B) increases
C) remains same
D) zero

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