Which of the following is oxidized by H2O2 in the alkaline medium AHCHO BMn (II) salts CCr(III) salts DAll of theseSubmit Which fo the following will not be oxidized by O3 ? View Solution Which of the following is amphoteric oxide? Mn2O7,CrO3,Cr2O3,CrO,V2O5,V2O4 View Solution Whi...
Although metals form basic oxides, which of the following metals forms an amphoteric oxide ? View Solution Although metals form basic oxides, which of the following metals form an amphoteric oxide ? View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT...
题目Which of the following statements about an amphoteric substances(两性物质) are correct?()。 A. Substance act both as an acid and as a base according to Brønsted-Lowry Theory. B. Water is a typical amphoteric substance C. Aluminum is an amphoteric substance D. Carbon has amphoteric prop...
Which one of the following compounds would produce an acidic solution when dissolved in water? a. {eq}\rm Na_2O {/eq}. b. {eq}\rm SrO {/eq}. c. {eq}\rm CO_2 {/eq}. d. {eq}\rm CaO {/eq}. e. {eq}\rm MgO ...
Lead is a relatively unreactive post-transition metal. Its weak metallic character is illustrated by its amphoteric nature; lead and lead oxides react with acids and bases, and it tends to form covalent bonds. Compounds of lead are usually found in the +2 oxidation state rather than the +4...
A medium recording medium is provided which has a plurality of coated layers on a nonmagnetic base support, a least one of said coated layer containing a modified copolymer having introduced therein a
The plot is of the loss of dry weight [%] as a function of the storage time [d].DESCRIPTION OF THE INVENTIONThe plasticizer compositions of the invention have at least one of the following advantages: The plasticizer compositions of the invention are notable for high compatibility with the ...
This invention is executed following to the decontamination method which designates the removal of oxide layer as purpose, it regards the method in order was polluted with the radiation source, to decontaminate the surface of atomic energy equipment. With the aqueous solution which contains with ...
wherein the amount of the multi-functional monomer (B) is in a range from 10 to 600 parts by weight, the amount of the pigment (D) is in a range from 0.1 to 300 parts by weight, and the amount of the solvent (E) is in a range from 50 to 300 parts by weight, based on 100...
This invention is executed following to the decontamination method which designates the removal of oxide layer as purpose, it regards the method in order was polluted with the radiation source, to decontaminate the surface of atomic energy equipment. With the aqueous solution which contains with ...