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Fundamentals of Chemistry: Online Test quiz in Javascript Fundamental of Chemistry Quiz Test Exams Question of Next Good Try! You Got out of answers correct! That's TryAgain Back to Main Page

1. Which of the following list contains only elements ? a) air, water, oxygen b) hydrogen, Oxygen, Brass c) air, water, Fire, Earth d) Calcium, Carbon, Sulphur ... Answer is d) Explanation: calcium, carbon and sulphur are only elements.In option a) air is an example of mixture and water is example of compound. In option b) brass is a mixture. In option c) air, fire and earth are examples of mixture and water is a compound. show Answer 2. The diagrams below represent particles in four substances, which box represents the particles of nitrogen a) b) c) d) ... Answer is d) Explanation: Particles of any pure substace are similar. Hence, diagram d contain similar diatomic molecules, so it represents particles of Nitrogen. show Answer 3. What is the formula mass of CuSO 4 ​​.5 H​​​​ 2 ​​O...

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  Chemical Industries: Online Quiz quiz in Javascript Theories of Covalent Bonding and Shapes of Molecules Quiz Test Exams Question of Next Good Try! You Got out of answers correct! That's TryAgain