A mixture
No, pure substances can be either elements or compounds. Elements are substances made up of only one type of atom, while compounds are made up of two or more different types of atoms chemically bonded together.
The sum of the percentages in the percentage composition of a substance is always 100%. This represents the total proportion of the elements that make up the substance.
they always contain glucose or atoms of sugar
Alkaline solutions may contain dissolved sodium hydroxide, but not always. Alkaline substances can refer to a wide range of compounds that have a pH greater than 7, including those that do not contain sodium hydroxide.
Always.
Yess
Yes, provided you consider fractions and percentages as ratios.Yes, provided you consider fractions and percentages as ratios.Yes, provided you consider fractions and percentages as ratios.Yes, provided you consider fractions and percentages as ratios.
Usually that is what they are used for.
False.
The main ingredient in Goof Off is xylene, which is a strong solvent that helps break down and remove tough stains, adhesives, and other substances. It may also contain other solvents and chemicals to aid in cleaning and removing various substances. Always follow the manufacturer's instructions for proper use and safety precautions.
False. It may be simple to calculate percentages from one but that need not be what the graph is based on.
Organic substances always contain carbon and hydrogen. Many organic compounds also include oxygen, nitrogen, sulfur, and phosphorus. These elements form the basis of numerous biological molecules such as carbohydrates, proteins, lipids, and nucleic acids.
yes because you are stupid ^like they said^
Equations always contain an
Organic compounds always contain the element carbon.
Percentages are always use when comparing one number to another. With you only providing one number Percentages doesn't work very well.
Foods labeled as free from artificial additives may still contain added substances, but these are typically derived from natural sources. For example, they might include natural preservatives, flavorings, or colorings that are not classified as artificial. It's essential to read the ingredient list to understand what specific substances are included, as "natural" does not always mean free from additives. Always check for certifications or labels that clarify the product's contents if you're concerned about additives.