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Q. Show Reduction to Metals? After removed of the gangue, i.e. impurities physically mixed with the metal elements, the concentrated ore becomes ready for the isolation of meta
When 3.896 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 11.40 grams of CO2 and 7.003 grams of H2O were produced. In a separate experiment, the mo
The energy that opposes dissolution of a solvent is: (1) Hydration energy (2) Lattice energy (3) Internal energy (4) Bond energy Ans: B
Antipyretic: Antipyretic is a drug that is accountable for lowering the temperature of feverish object. The central nervous system, specifically the hypothalamus, takes an sig
how trans uranium elements are seperated by solvent extraction
From personal experience, describe whether these processes are endothermic or exothermic. Give a reason for each. a . A charcoal briquette burns. b . Ice me
why element belonging to group 3 to 12 are trnsicition element
Classify each reaction and give the name of all the chemical formula involved for each number. 1. Na2CO3(s) + SiO2(s) ? Na2SiO3(l) + CO2(g) 2. 2 Mg(NO3)2(s) ? 2 Mg(NO2)2(s) + O2
how to calculate transport number by moving boundary method
please tell the observation & inference, when ammonium phosphate (NH4)3PO4 undergoes charcoal cavity test & cobalt nitrate test.....
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