Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Methane Nitrogen Hydrogen Helium Methane Nitrogen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Polythene Methyl Methacrylate Polyvinyl Chloride Nylon Polythene Methyl Methacrylate Polyvinyl Chloride Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this acid was first obtained by the distillation of ants this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills ants are attracted by the odour of this acid this acid was first obtained by the distillation of ants this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills ants are attracted by the odour of this acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A A is false but R is true A is true but R is false Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A A is false but R is true A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsifier is an agent which Homogenises an emulsion Aids the flocculation of an emulsion Stabilises an emulsion Accelerates the dispersion Homogenises an emulsion Aids the flocculation of an emulsion Stabilises an emulsion Accelerates the dispersion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Acetic acid Formic acid Citric acid Oxalic acid Acetic acid Formic acid Citric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS