Chemistry The quality of petrol is expressed in terms of Gold number Added unlead compounds Octane number Cetane number Gold number Added unlead compounds Octane number Cetane number ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.158 0.323 0.201 0.273 0.158 0.323 0.201 0.273 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Helium Hydrogen Nitrogen Chlorine Helium Hydrogen Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inert gases are ____ in water sparingly soluble soluble insoluble None of these sparingly soluble soluble insoluble None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Fermi Bohr Bethe Anderson Fermi Bohr Bethe Anderson ANSWER DOWNLOAD EXAMIANS APP
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