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Substance 20 paper refers to a specific type of paper that has a weight of 20 pounds (or 75 grams per square meter). This designation typically indicates the thickness and sturdiness of the paper, making it suitable for various printing and writing tasks. It's commonly used for everyday printing needs, such as letters and documents, providing a balance between quality and cost-effectiveness.
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What does it mean by substance 20 in letter and legal paper?
"Substance 20" on letter and legal paper refers to the weight or thickness of the paper. It indicates that the paper is heavier and thicker than regular printing paper, providing a more substantial and durable feel. This type of paper is commonly used for professional documents or important correspondence.
What does it mean by substance A in paper?
If you mean what substances are present in paper, then it is principally cellulose. If you are asking about substance A in a question paper, it's a way of referring to an unknown substance so it can ask you questions based on the information given about it. For instance, if it says 'substance A turns damp red litmus blue' then you know that substance A is an acid.
Why you say that a paper or matchstick as a combustible substance?
Anything that can burn is a combustible substance.
how do you coat magnetism onto a paper?
Magnetism is a force not a substance. As such it can not be applied to paper.
Does each spot on the developed chromatography paper or plate represent one substance?
That is correct. Every chemical substance travels at its own speed when diffusing through paper, and so every substance will wind up at its own location on the paper or plate as the case may be.
What does it mean by substance 20 in letter and legal paper?
"Substance 20" on letter and legal paper refers to the weight or thickness of the paper. It indicates that the paper is heavier and thicker than regular printing paper, providing a more substantial and durable feel. This type of paper is commonly used for professional documents or important correspondence.
What are Two factors which determine the distance a substance travels up the paper?
The two factors that determine the distance a substance travels up the paper in paper chromatography are the solubility of the substance in the solvent and the affinity of the substance for the paper.
How do you use litmus paper to decide a substance is an acid or a base?
Dip the litmus paper into the solution in question. If the paper turns red, the substance is acidic. If the paper turns blue, the substance is basic. If there is no color change, then the substance is neutral.
What substance or chemical is the paper that this is written on made of?
There is no paper here.
What does it mean by substance A in paper?
If you mean what substances are present in paper, then it is principally cellulose. If you are asking about substance A in a question paper, it's a way of referring to an unknown substance so it can ask you questions based on the information given about it. For instance, if it says 'substance A turns damp red litmus blue' then you know that substance A is an acid.
How can you determine if substance is acid or base?
pH paper and litmus paper
What is meant by water of crystallisation in a substance?
H
Why you say that a paper or matchstick as a combustible substance?
Anything that can burn is a combustible substance.
how do you coat magnetism onto a paper?
Magnetism is a force not a substance. As such it can not be applied to paper.
What is meant by a substance and a pure substance?
A substance might be pure with a single compound or impure with impurities along with principal compounds.
What is meant by maiden of a boy?
it means he was a paper boy it means he was a paper boy
Why does the litmus paper need to be damp?
Litmus paper needs to be damp because it relies on a chemical reaction between the paper and the substance being tested. The dampness helps to facilitate this reaction by allowing the substance to dissolve and come into contact with the indicator on the paper. This ensures a more accurate and reliable measurement of the substance's pH level.
