Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Sodium chloride Borax Saltpetre Hydrogen peroxide Sodium chloride Borax Saltpetre Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Neoprene Vinyl Chloride Isoprene Acetylene Neoprene Vinyl Chloride Isoprene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Methane Carbon monoxide Carbon dioxide Sulphur dioxide Methane Carbon monoxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with Carbon Hydrogen None of these Oxygen Carbon Hydrogen None of these Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy is neither released nor absorbed More energy is released than is absorbed Energy is always absorbed Energy in always released Energy is neither released nor absorbed More energy is released than is absorbed Energy is always absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium bicarbonate Sodium carbonate Sodium chloride Sodium nitrate Sodium bicarbonate Sodium carbonate Sodium chloride Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS