By Online ECAT Chemistry Basic Concepts Test
This ECAT Chemistry Basic Concepts Test based on 10 to 20 MCQs.
Chemistry Basic Concepts
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Question 1 of 10
1. Question
2 pointsIsotopes differ in the
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Question 2 of 10
2. Question
2 pointsWhich of the following produced in the ionization of mass spectrometer?
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Question 3 of 10
3. Question
2 pointsWhich of the following statements is correct for a chemical reaction?
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Question 4 of 10
4. Question
2 pointsA molecule ion is formed by
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Question 5 of 10
5. Question
2 pointsThe number of moles of CO₂ which contain 8g of Oxygen?
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Question 6 of 10
6. Question
2 pointsThe relative atomic mass of chlorine is 35.5. What is the mass of 2 moles of chlorine gas?
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Question 7 of 10
7. Question
2 pointsA piece of paper is burnt in air, the gas produced is passed through distilled water. The pH of water will be
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Question 8 of 10
8. Question
2 pointsWhich of the following is not related to a.m.u?
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Question 9 of 10
9. Question
2 points“A” compound always consists of the same elements combined in the same fixed ratio. “The statement is”
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Question 10 of 10
10. Question
2 pointsAn atom is:
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Leaderboard: Chemistry Basic Concepts
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