Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Iron Silicon Oxygen Magnesium Iron Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Gold number Octane number Added unlead compounds Cetane number Gold number Octane number Added unlead compounds Cetane number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 6.3 3.2 5.6 8.3 6.3 3.2 5.6 8.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Two million One million Ten million Half a million Two million One million Ten million Half a million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O Na2O + K2O Al2O3 CaO CaSO4, 2H2O Na2O + K2O Al2O3 CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium salt commonly used to stop bleeding is Aluminium sulphate Aluminium nitrate Potash alum Aluminium Chloride Aluminium sulphate Aluminium nitrate Potash alum Aluminium Chloride ANSWER DOWNLOAD EXAMIANS APP
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