Chemistry In an oxygen molecule, two atoms are united by Three bonds One bond Four bonds Two bonds Three bonds One bond Four bonds Two bonds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Borax Hydrogen peroxide Sodium chloride Saltpetre Borax Hydrogen peroxide Sodium chloride Saltpetre ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron acceptor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron donor An electron acceptor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron donor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Ionosphere Exosphere Troposphere Stratosphere Ionosphere Exosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Ethylene Acetylene Methane Ethane Ethylene Acetylene Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bee sting contains An alkaline liquid An acidic liquid A salt solution A corrosive liquid An alkaline liquid An acidic liquid A salt solution A corrosive liquid ANSWER DOWNLOAD EXAMIANS APP
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