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Rom4ik [11]
2 years ago
11

A dental assistant is preparing to use a chemical that has a number 2 in a blue triangle on the chemical label. Before using the

chemical, the assistant reads the chemical label and determines the special precautions needed when working with this chemical. What does the information on the chemical label indicate
Chemistry
1 answer:
Effectus [21]2 years ago
5 0

Labels must clearly identify the chemical and include information on its hazards, plus instructions and information on its safe storage, handling, use, and disposal.

What does the information on the chemical label indicate?

The chemical label indicates the following information.

Product Identifier: The method used to identify the chemical (in the ingredient disclosure). On the label, include the complete chemical name or number that is used for the hazardous product. Both the label and SDS must have the same information. Abbreviations for chemicals are not accepted.

Signal Words: Assigned to a GHS hazard class and category, "Danger" or "Warning" are used to underline hazards and show the relative level of severity of the hazard.

Danger Statements: Typical expressions that are associated with a hazard class and category and that define the hazard's characteristics. On a label, there must be mention of every danger that applies.

Precautionary Statements: A term that describes actions that should be performed to reduce or eliminate negative effects brought on by exposure to or inappropriate storage of a substance.

Symbols (hazard pictograms): Convey information about environmental, physical, and health hazards that are categorized and allocated to a GHS hazard class.

Learn more about the chemical label here:

brainly.com/question/26092818

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The  laboratory  procedure that best  illustrate the law of conservation  is

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<u><em>explanation</em></u>

According to the law  of mass conservation ,  the mass of the  reactant  must   be equal  to the mass  of the product.

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The remaining mass  = 100-56  =  44  which  would the mass of CO2  [  12 + (16 x2)]= 44   since  CaCO3  decomposes to produce CaO  and  CO2


Therefore  the  mass  of reactant=   100g

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Therefore the laboratory    procedure for  decomposition  of CaCO<em>3</em>  illustrate the law of mass  conservation since the mass of reactant = mass of product.

   


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