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What are ferrites? Ferrites are ceramic compounds containing trivalent metal having three valence electrons, iron and oxide of divalent element i.e. metals having two free ele
The K sp of the phosphate fertilizer CaHPO 4 .2 H2O is 2.7 x 10 -7 at 25 o C. What is the molar concentration of a saturated solution? What mass of this compound will dissolve
How many moles of copper will be produced from 2.00 moles of aluminum?
When beryllium is bombarded with α -particles, extremely penetrating radiations which cannot be deflected by electrical or magnetic field are given out. These are: (1) A beam
ionic bond
The Ca 2+ and Mg 2+ ions in hard water form scum with soap. Therefore they don''t form lather and therefore don''t clean the dirt.
An electronic transition from 1s orbital of an atom causes: (1) Absorption of energy (2) Release of energy (3) Both release or absorption of energy (4) Unpredictable
what is the role of a double indicator
can you describe how the valance shell electron configuration affectst the reactivity of the elements in the lanthanides and actinides series?
NON-ELECTROLYTE SOLUTIONS Composition: A solution is a mixture of two or more substance; this consists of one or more minority substances, the solute(s), dispersed in a ma
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