Chemistry The working of a dry cell is based on Electrolysis Spontaneous oxidation-reduction reaction Combination reaction Decomposition reaction Electrolysis Spontaneous oxidation-reduction reaction Combination reaction Decomposition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Nonpolar Covalent Polar Ionic Nonpolar Covalent Polar Ionic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because The air around the sea is saltish Sea beds have salt producing mines Sea animals are salt producing Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea beds have salt producing mines Sea animals are salt producing Rivers wash away salts from earth and pour them into the sea ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Sludge Sewage Scum Sewer Sludge Sewage Scum Sewer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Oxygen Hydrogen Carbon Helium Oxygen Hydrogen Carbon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Graphite Coke Diamond Lamp black Graphite Coke Diamond Lamp black ANSWER DOWNLOAD EXAMIANS APP
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