Chemistry Quizzes, Questions & Answers
Recent Quizzes
اللهم رØمة Ùˆ نور لعمر وتالا â�¤ï¸�
Questions: 28 | Attempts: 143 | Last updated: Mar 20, 2023
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Sample QuestionAll of these sentences are correct except :
Chemical equations include chemical formulae that represent all substances that are involved in the reaction. When it comes to balancing chemical equations, proper attention must be given to both reactants and product sides of...
Questions: 10 | Attempts: 436 | Last updated: Mar 22, 2023
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Sample QuestionWhat law is most important in balancing chemical equations?
Chemistry is an interesting subject where chemical equations are learnt. Chemical equations is a representation of chemical reactions using symbols and formulas. Chemical reactions and products are explained with chemical...
Questions: 10 | Attempts: 176 | Last updated: Mar 21, 2023
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Sample QuestionWhat entities are usually on the left hand side of a chemical equation?
Ionic equations are a form of the chemical equation where electrolytes that exist in an aqueous solution are stated or written as dissociated ions.
How much do you know about Ionic Equations? Do you consider yourself...
Questions: 10 | Attempts: 299 | Last updated: Mar 20, 2023
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Sample QuestionWhat does an ion-dipole interaction stabilize in an aqueous solution?
Basic information about proteins. (9th grade biology)
Questions: 6 | Attempts: 197 | Last updated: Mar 22, 2023
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Sample QuestionWhat elements are found in all proteins?
Questions: 12 | Attempts: 279 | Last updated: Mar 21, 2023
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Sample QuestionThe color of CuSo4 is :
In metals, the atoms are placed together really closely, and this causes some of the outer electrons to break free and float around within the structure of the metal. We say that the electrons are delocalized. Because they have...
Questions: 10 | Attempts: 208 | Last updated: Mar 18, 2023
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Sample QuestionGraphite is a substance made of carbon atoms only, as is diamond. However, the two substances are very different. Why?
In chemistry, equations help us to know about what is happening in a chemical reaction. The starting materials are known as the reactants (sometimes called reagents), and the new materials are called the products. Scientists use...
Questions: 10 | Attempts: 148 | Last updated: Mar 18, 2023
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Sample QuestionChoose the correctly balanced chemical equation from the list.
One of the things that Dalton believed was that the atoms of an element were identical to each other. Something evident to you, but was revolutionary at the time. Now we understand why this is the case and can include the number...
Questions: 11 | Attempts: 580 | Last updated: Oct 24, 2024
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Sample QuestionAn atom has 2 electrons, 2 neutrons and 2 protons. What is the atomic number of this atom?
We all know that Chemistry books can sometimes be very tiresome and we’re going to save you from them. We are your knights in shining armor, here to sweep you away from those sleep-inducing textbooks and show you a new...
Questions: 10 | Attempts: 669 | Last updated: Mar 18, 2023
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Sample QuestionWhat is the relative formula mass of copper sulfate CuSO4?
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