Chemistry Mark the compound which possess ionic, covalent and coordinate bonds. SO3 SO2 NH4Cl H2O SO3 SO2 NH4Cl H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Less poisonous than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Less poisonous than nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuCO3 Cu(OH)2 CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 CuO Cu(NO3)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercuric oxide electrode Mercury - mercurous chloride electrode Silver - silver chloride electrode Mercury - mercurous sulphate electrode Mercury - mercuric oxide electrode Mercury - mercurous chloride electrode Silver - silver chloride electrode Mercury - mercurous sulphate electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was bronze copper gold iron bronze copper gold iron ANSWER DOWNLOAD EXAMIANS APP
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