Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Cement Paint Glass Gun powder Cement Paint Glass Gun powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Added unlead compounds Octane number Cetane number Gold number Added unlead compounds Octane number Cetane number Gold number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Iron Silicon and Aluminium Silicon and Iron Oxygen and Silicon Oxygen and Iron Silicon and Aluminium Silicon and Iron Oxygen and Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Endothermic reaction Physical change Photochemical reaction Exothermic reaction Endothermic reaction Physical change Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Aluminium Carbon Tin Chromium Aluminium Carbon Tin Chromium ANSWER DOWNLOAD EXAMIANS APP