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 Which of the inert gases can form compounds? Helium Argon Krypton Xenon Helium Argon Krypton Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.158 0.201 0.273 0.323 0.158 0.201 0.273 0.323 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Find the odd one: Limestone Marble Chalk Slaked lime Limestone Marble Chalk Slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Peat Bitumen Lignite Anthracite Peat Bitumen Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon dioxide and hydrogen Carbon monoxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon dioxide and hydrogen Carbon monoxide and hydrogen ANSWER DOWNLOAD EXAMIANS APP