Chemistry Mark the compound which possess ionic, covalent and coordinate bonds. H2O SO2 SO3 NH4Cl H2O SO2 SO3 NH4Cl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Global warming Oxygen fertilization effect Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere Global warming Oxygen fertilization effect Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese Magnesium Calcium None of these Manganese Magnesium Calcium None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The least preferred technique in the disposal of Municipal Solid Waste is Land filling Incineration Composting Bricketting Land filling Incineration Composting Bricketting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Viscosity Floatation Surface tension Elasticity Viscosity Floatation Surface tension Elasticity ANSWER DOWNLOAD EXAMIANS APP
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