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What are the characteristics of a subtances and mixtures?
The components of a mixture are not chemically combined and do not have a definite composition. A pure substance is either an element or a compound (in which case it is composed of elements that are chemically combined) and has a definite composition.
Do all compounds contain at least one element?
A compound consists of at least two elements chemically bonded together.
Is approved stabilizers and emulsifiers a compound or mixture?
Approved stabilizers and emulsifiers are typically considered mixtures rather than compounds. A compound consists of two or more elements chemically bonded together in a fixed ratio, while a mixture consists of two or more substances that are combined physically but not chemically bonded. Stabilizers and emulsifiers can contain various ingredients that work together to achieve desired properties, making them mixtures of different components.
Does a mixture contain molecules?
Yes, a mixture contains different molecules of substances that are combined physically but do not chemically bond with each other. These molecules retain their individual properties within the mixture.
Is steel pipe element compound or mixture?
Steel pipe is a compound because it is made up of a single type of substance (steel) that is chemically bonded together. It is not a mixture because it does not contain different types of substances that are physically combined.
What are the characteristics of a subtances and mixtures?
The components of a mixture are not chemically combined and do not have a definite composition. A pure substance is either an element or a compound (in which case it is composed of elements that are chemically combined) and has a definite composition.
Can chemically defined media contain yeast extract?
No, it cannot. Defined media can only consist of pure chemicals added together. Since yeast extract is a digest of yeast, there is no way of knowing exactly what chemicals it contains. Substitutions in defined media typically consist of a carbon source (i.e. xylose) and any amino acids the sample requires.
Do all compounds contain at least one element?
A compound consists of at least two elements chemically bonded together.
Is approved stabilizers and emulsifiers a compound or mixture?
Approved stabilizers and emulsifiers are typically considered mixtures rather than compounds. A compound consists of two or more elements chemically bonded together in a fixed ratio, while a mixture consists of two or more substances that are combined physically but not chemically bonded. Stabilizers and emulsifiers can contain various ingredients that work together to achieve desired properties, making them mixtures of different components.
Does a mixture contain molecules?
Yes, a mixture contains different molecules of substances that are combined physically but do not chemically bond with each other. These molecules retain their individual properties within the mixture.
How animals ableto produce light on their own?
Animals such as fireflies contain two chemicals, luciferin and luficerase. When combined with oxygen, they give off light.
Why earth is a mixture rather than a compound?
Earth is a mixture because it contain many different substance that are not chemically bonded together and so remain chemically and even visibly distinct from one another.
Why are alloys regarded as mixtures?
Alloys contain two or more solids, usually metals, that are mixed together evenly bu are not chemically bonded.
Is steel pipe element compound or mixture?
Steel pipe is a compound because it is made up of a single type of substance (steel) that is chemically bonded together. It is not a mixture because it does not contain different types of substances that are physically combined.
Is a broken glass a chemical hazard?
Not directly. It can be a physical hazard. The only connection to chemical hazards is that dangerous chemicals might be stored in glass containers, and released by breakage. Laboratory containers may contain many dangerous chemicals, and individual chemicals that are dangerous if combined.
Is gold an element compound heterogeneous mixture or homogeneous mixture?
Gold is an element. It is classified as a chemical element with the symbol Au and atomic number 79, meaning it consists of only one type of atom. Gold is not a compound or a mixture, as it does not contain different substances chemically combined or physically mixed together.
What is the difference between compounds and mixture?
The difference is that.. Mixture is when two or more different substances are mixed together but not combined chemically forming a varying mix of substances. Compound is when two or more substances are chemically bonded together forming a single substance.
