Chemistry The gas used for filling weather balloons is Hydrogen Air Helium Nitrogen Hydrogen Air Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water May either increase or decrease depending on the process used Decreases Does not change Increases May either increase or decrease depending on the process used Decreases Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : CaCl2 CaCO3 MgCl2 MgCO3 CaCl2 CaCO3 MgCl2 MgCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 118 115 127 112 118 115 127 112 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? Ca(CN)2 NH4NO3 Urea CaCN2 Ca(CN)2 NH4NO3 Urea CaCN2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of CI– and [CO3]2– HCI and NaCI CI– and [HCO3]– [HCO3]– and H2CO3 CI– and [CO3]2– HCI and NaCI CI– and [HCO3]– [HCO3]– and H2CO3 ANSWER DOWNLOAD EXAMIANS APP
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