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Which substance is oxidized and which substance is reduced?
In a chemical reaction, the substance that loses electrons is oxidized, while the substance that gains electrons is reduced. This can be remembered using the acronym "OIL RIG" (Oxidation Is Loss, Reduction Is Gain). So, in any chemical reaction, the substance that is oxidized is the one that loses electrons, and the substance that is reduced is the one that gains electrons.
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Which substance is reduced and which substance is oxidized?
In a chemical reaction, the substance that gains electrons is reduced, while the substance that loses electrons is oxidized. This can be remembered using the acronym "OIL RIG" - oxidation is loss, reduction is gain. For example, in the reaction 2H2 + O2 -> 2H2O, oxygen is reduced (gains electrons) and hydrogen is oxidized (loses electrons).
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'Substance or object?'
A substance is a type of matter that has a specific composition and properties, such as water or salt. An object, on the other hand, is a tangible item that can be seen and touched, such as a book or a chair. While substances are the fundamental building blocks of matter, objects are made up of one or more substances and have a distinct shape and form.
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Mixture or Pure substance?
A mixture is a combination of two or more substances that are not chemically bonded together and can be separated by physical means, such as filtration or distillation. A pure substance, on the other hand, is a substance that is made up of only one type of atom or molecule and cannot be separated by physical means. Examples of mixtures include saltwater and air, while examples of pure substances include elements like gold and compounds like water.
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Which substance causes forgetfulness?
Forgetfulness can be caused by a variety of factors, including stress, lack of sleep, and aging. However, one substance known to impair memory and contribute to forgetfulness is alcohol. Excessive alcohol consumption can interfere with the brain's ability to form new memories and can also disrupt the retrieval of existing memories, leading to forgetfulness. It is important to consume alcohol in moderation to avoid these negative effects on memory and cognitive function.
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Is honey a substance?
Yes, honey is a substance. It is a natural sweetener produced by bees from the nectar of flowers. Honey is a thick, viscous liquid with a unique flavor and color, and it is commonly used in cooking and baking. It is also known for its various health benefits and medicinal properties. Therefore, honey can be classified as a substance due to its distinct physical and chemical properties.
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What is the difference between amount of substance and portion of substance?
The amount of substance refers to the quantity of a substance, typically measured in moles. It is a fundamental concept in chemistry and is used to quantify the number of atoms, molecules, or ions in a sample. On the other hand, the portion of substance refers to a specific quantity or part of a substance that is being considered in a particular context. It could be a fraction, percentage, or specific amount of the substance that is being analyzed or used in a reaction. In summary, the amount of substance is a measure of the total quantity, while the portion of substance refers to a specific part or quantity within that total amount.
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Is sulfur a salty substance?
No, sulfur is not a salty substance. Sulfur is a chemical element that is typically found in the form of a yellow solid. It is not classified as a salt, which is a compound formed from the reaction of an acid with a base. Sulfur is commonly used in various industrial processes and products, such as fertilizers and rubber production.
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