Chemical Industries Quiz App Download | Grade 10 Chemistry PDF eBook
Class 10 Chemistry MCQs: Chapter 5
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The Quiz: Ore of chromium is called "Chemical Industries" App (iOS, Android) with answers: zinc blende, galena, cinnabar, and chromite to learn e-learning courses. Study Basic Metallurgical Operations MCQ Questions, download Amazon eBook (Free Sample) for online certificate courses.
Ore of chromium is called
Which of the following is used as a fuel for power stations, factories, and ships?
Which of the following is used as a fuel for buses, trucks, and trains?
The percentage of nitrogen (N) in urea (CH4N2O) is
Metallic compounds that occur naturally are called
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