Class 7 science Practice Tests
Class 7 Science Online Tests
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The MCQ: What are the chemicals used in fireworks; "Magnesium and Oxygen" App Download (Free) with answers: Copper chloride; Calcium chloride; Barium chloride; to study online certificate courses. Solve Physical and Chemical Changes Quiz Questions, download Google eBook (Free Sample) for distance learning.
The color of solid magnesium is
What are the chemicals used in fireworks?
The color of magnesium oxide is
If magnesium is gently heated, it forms
The reaction of 'magnesium' with air is
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