Chemistry Burning pyrites ore gives out Sulphur dioxide gas Nitrogen dioxide gas Nitric oxide gas Carbon dioxide gas Sulphur dioxide gas Nitrogen dioxide gas Nitric oxide gas Carbon dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetramethyl lead Trimethyl lead Triethyl lead Tetraethyl lead Tetramethyl lead Trimethyl lead Triethyl lead Tetraethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Galena Quartz Mica Feldspar Galena Quartz Mica Feldspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Chlorine Radium Fluorine Francium Chlorine Radium Fluorine Francium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Chloro fluorocarbon Carbon monoxide Carbon dioxide Freon Chloro fluorocarbon Carbon monoxide Carbon dioxide Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Limestone and graphite Clay and graphite Limestone and clay Chalk and graphite Limestone and graphite Clay and graphite Limestone and clay Chalk and graphite ANSWER DOWNLOAD EXAMIANS APP
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