Chemistry Submarines move under water. They have engines that run on Petrol and oxygen Batteries Diesel Steam Petrol and oxygen Batteries Diesel Steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Ozone Water vapour Carbon dioxide Carbon monoxide Ozone Water vapour Carbon dioxide 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 Which of the following is a monoatomic gas? Neon Oxygen Fluorine Nitrogen Neon Oxygen Fluorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Anions Higgs-boson Cations Isotopes Anions Higgs-boson Cations Isotopes ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of Absorption of light due to the presence of cavities High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms ANSWER DOWNLOAD EXAMIANS APP
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