Class 9 Chemistry Exam MCQs – Practice Test 4 (Chapter 1)

Chemical Reactivity Notes Questions with Answers PDF – Test 4

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Chemical Reactivity Notes Q&A PDF Download – Practice Test 4

MCQ 16: Metallic oxides are:

basic in nature
acidic in nature
slightly acidic in nature
neutral

MCQ 17: Boron is a:

metal
metalloid
non-metal
gas

MCQ 18: As we move across the period the basic character of oxides:

increases
remains same
decreases
becomes zero

Chemical Reactivity Exam Prep – Class 9 Chemistry Notes App & e-Book

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