Chemistry The percentage of oxygen in air is approximately 1 0.21 0.78 0.01 1 0.21 0.78 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ammonial is a mixture of Aluminium powder and ammonium sulphate Aluminium powder and ammonium nitrate Aluminium powder and potassium nitrate Aluminium powder and ammonium chloride Aluminium powder and ammonium sulphate Aluminium powder and ammonium nitrate Aluminium powder and potassium nitrate Aluminium powder and ammonium chloride 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 Cu(NO3)2 CuO CuCO3 Cu(OH)2 CuSO4 Cu(NO3)2 CuO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is An antioxidant A reductant An antiknock compound A catalyst in burning fossil fuel An antioxidant A reductant An antiknock compound A catalyst in burning fossil fuel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its ignition temperature is very high Its critical temperature is high Its ignition temperature is very low Its critical temperature is low Its ignition temperature is very high Its critical temperature is high Its ignition temperature is very low Its critical temperature is low ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Glass Gun powder Paint Cement Glass Gun powder Paint Cement ANSWER DOWNLOAD EXAMIANS APP
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