For example, copper is less reactive than hydrogen and does not displace it from HCl. Therefore, this statement is incorrect. Conclusion:- Correct Statements: II and III- Incorrect Statements: I and IV Thus, the correct answer is that statements II and III are correct. Show More ...
Metal is a class of substance which has high electrical and thermal conductivity, high malleability, high ductility and high reflectivity of light. They may be lustrous also. They react with acids to produce salt and hydrogen. Answer and Explanation: Become...
Some information about the given chemical substance is written below, Gunmetal is an alloy of copper,... Learn more about this topic: Chemical Compound | Definition, Types & Examples from Chapter 6/ Lesson 16 161K What is a chemical compound? Learn about types of chemical...
Peroxide activation by dinuclear and mononuclear iron model complexes: which intermediates are reactive?RybakAkimova, E VKryatov, S VHerrera, A M
The reactive diluents may be used alone or in mixture. Preferred free-radically curable coating compositions may contain one or more photoinitiators, for example, in quantities of 0.1 to 5 wt. %, preferably of 0.5 to 3 wt. %, relative to the sum of free-radically polymerisable pre...
MIG welding is a highly versatile technique with a wide range of applications. You can weld both thin (as thin as 26 gauge) and thick metals with it if you choose the right filler material for the job. It’s best used for highly reactive metals like aluminum, copper, and magnesium. You...
copper dimethyl dithiocarbamate and copper borate glasses as described in U.S. Pat. No. 3,476,577. The preferred seawater reactive pigments are zinc oxide, cuprous oxide and cuprous thiocyanate; cuprous oxide is a valuable pigment because of its biocidal activity which augments that of the tri...
Some practices increase the availability of the metal in the environment; the agricultural activities, with the use of organic and inorganic fertilizers (urea, calcium superphosphate, iron and copper sulfates) and road traffic with elements such as Cu, Zn, Cd and Pb (Yan et al., 2012). ...
As an example, helium is used to inflate a balloon instead of hydrogen gas because hydrogen is much more reactive than helium. Answer and Explanation: The temperature of the hand is 37∘C while the room usually has a temperature of 20...
Question: Which of these properties describes a metal? a. brittle b. conducts heat very well c. fragile d. transparent Elements: Element is a substance that can exist as a single identifiable unit and can be broken down into simpler substances. The periodic ...