Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 8 Zero –4 4 8 Zero –4 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercurous chloride electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode Mercury - mercurous chloride electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode 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. A is false but R is true Both A and R is true but R is not a correct explanation of A A is true but R is false Both A and R is true and R is the correct explanation of A A is false but R is true Both A and R is true but R is not a correct explanation of A A is true but R is false Both A and R is true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyethylene Polypropylene Polyamide Polyester Polyethylene Polypropylene Polyamide Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry Find the odd one: Marble Limestone Chalk Slaked lime Marble Limestone Chalk Slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Hydrogen Methane Helium Nitrogen Hydrogen Methane Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP