Chemistry The gas used for filling weather balloons is Helium Hydrogen Nitrogen Air Helium Hydrogen Nitrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to n-heptane iso-octane 3-methyl octane 2-methyl octane n-heptane iso-octane 3-methyl octane 2-methyl octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water cycle refers to Constant movement of water from ocean to land and back to ocean once again An integrated attempt to recycle water in relatively arid regions Water distribution in relatively dry areas Scientific management of water in areas excessively plagued with water-logging Constant movement of water from ocean to land and back to ocean once again An integrated attempt to recycle water in relatively arid regions Water distribution in relatively dry areas Scientific management of water in areas excessively plagued with water-logging ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: The mechanisms and paths of the molecules take in joining from one reactant to products All of these are correct The rate of chemical reaction How fast the reactions go The mechanisms and paths of the molecules take in joining from one reactant to products All of these are correct The rate of chemical reaction How fast the reactions go ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Fe Ca Ag Zn Fe Ca Ag Zn ANSWER DOWNLOAD EXAMIANS APP