Chemistry Impure camphor is purified by Fractional crystallisation Sublimation Steam distillation Fractional distillation Fractional crystallisation Sublimation Steam distillation Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Carbon dioxide and oxygen Methane and carbon monoxide Methane and carbon dioxide Isobutane and propane Carbon dioxide and oxygen Methane and carbon monoxide Methane and carbon dioxide Isobutane and propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Ca2+ Mg2+ Fe2+ A l3+ Ca2+ Mg2+ Fe2+ A l3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is An antiknock compound A reductant An antioxidant A catalyst in burning fossil fuel An antiknock compound A reductant An antioxidant A catalyst in burning fossil fuel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a pure form of carbon Gold Diamond Coal Graphite Gold Diamond Coal Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Helium Nitrogen Hydrogen Air Helium Nitrogen Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP