Class 9 Chemistry Online Tests
Metals MCQ (Multiple Choice Questions) PDF Download
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The MCQ: On contact with oxygen, Rubidium forms; "Metals" App Download (Free) with answers: Normal oxide; Per oxide; Super oxide; Trioxide; to learn e-learning courses. Solve Chemical Reactivity Quiz Questions, download Apple eBook (Free Sample) for online learning.
Metals MCQs: Questions and Answers PDF Download
Metal that difficult to oxidize are called
- weak metals
- strong metals
- noble metals
- ionic metals
On contact with oxygen, Rubidium forms
- normal oxide
- per oxide
- super oxide
- trioxide
The most metallic among the following is
- Na
- K
- Al
- B
As we move across the period from left to right, the reactivity of metals with oxygen
- decreases
- increases
- remains same
- zero
The sodium metal is soft due to
- weak metallic bond
- strong metallic bond
- large size
- small size
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