Define element compound and mixture 01:42 Give two differences between pure substances and mixture. Give one exa... 02:25 You are provided with a mixture of naphthalene and ammonium chloride b... 04:30 What would you observe when : (a) A saturated solution of potassium... 03:29 Explain...
If 3 is an element of A and 3 is not an element of B, then which of the following is NOT true? a. 3 is an element of B complement b. 3 is an element of A union B c. 3 is an element of A intersect B If the set S has n elements then prove that A(S) has n...
Explain the difference between a heterogeneous mixture, a homogeneous mixture, a compound, and an element. Give examples of each. Briefly define polarizability. What is a homogeneous mixture? Give some examples. Define the term conjugated dienes. Give an example. What is the definiti...
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) A compound of naphthalene or its radical with a metallic element; as, mercuric naphthide. Naphthoic (a.) Pertaining to, derived from, or related to, naphthalene; -- used specifically to designate any one of a series of carboxyl derivatives, called naphthoic acids. Naphthol (n.) Any one...
) The anterior element of the sternum which projects forward from between the clavicles in many batrachians and is usually tipped with cartilage. Omosternum (n.) In many mammals, an interarticular cartilage, or bone, between the sternum and the clavicle. Omphacine (a.) Of, pertaining to,...
Define and give an example of an allotrope of carbon. What is a qualitative analysis in chemistry? Define the term nucleation. What is the meaning of the chemistry term allotropy? Mention an example of an element that exhibits allotropy. ...
What happens when metals and non-metals are mixed and what are the properties of the formed compound? Please explain the activity series of metals. How can I determine if one element displaces another? Give a description of naturally occurring sources of iron. ...
Define the term reducing sugar, and give an example. Define the term clearly and concisely. Give two examples of the mixture. Define the terms clearly and concisely. Give two examples of the compound. Define the term weight, and illustrate with a specific example. ...
Unlike the FRAP assay, the TRAP (total peroxyl radical-trapping antioxidant parameter) is based on the application of the thermal decomposition of water-soluble, azo-compound 2,2'-azobis-(2-amidinopropane hydrochloride) to peroxyl radicals [36]. Spectra are recorded over a 10–15 min period ...