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Why was covalent compounds are insoluble in water and ionic compounds soluble in water? Ans) When ionic bonds form, one atom becomes positively charged, while the other becomes ne
freon preparation
The energy of a photon is calculated by: (1) E= hv (2) h= Ev (3) h = E/v (4) E= h/v Ans: E= hv
Orthoboric acid H 3 BO 3 commonly known as boricacid and Meta boric acid HB0 3 , are two well-known and important oxoacids of boron. On a large scale, H 3 BO 3 is prepared by the
Difference between Natural rubber and Vulcanized Rubber Natural rubber Vulcanized rubber (1) it is soft and sticky Vulcanized
In the transition of Zn atoms to Zn ++ ions there is a decrease in the: (1) Number of valency electrons (2) Atomic weight (3) Atomic number (4) Equivalent weight A
give two reasons why it is necessary to ionize the chromium atoms
Q. Determine Infrared moisture balance in flour? Infrared moisture balance is an instrument for measuring the moisture content of materials that do not change their chemical
Simple and Mixed Amines Secondary and tertiary amines may be categorized as simple or mixed amines as per to all the alkyl or aryl groups attached to the nitrogen atom are simi
zinc+copper(ll) chloride
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