Chemistry Domestic cooking gas consists mostly of Ethylene and carbon monoxide Hydrogen and acetylene Liquified butane and isobutane Methane and ethane Ethylene and carbon monoxide Hydrogen and acetylene Liquified butane and isobutane Methane and ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Covalent Ionic Nonpolar Polar Covalent Ionic Nonpolar Polar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Teflon Perspex Styrofoam Polystyrene Teflon Perspex Styrofoam Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Ammonia Hydrogen sulphide Chlorine Carbon dioxide Ammonia Hydrogen sulphide Chlorine Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is no reaction. There is a crackling sound There is a violent explosion. The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. The paper ignites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Have negative charge Need less energy to move them Are lighter Experience collision less frequently Have negative charge Need less energy to move them Are lighter Experience collision less frequently ANSWER DOWNLOAD EXAMIANS APP
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