Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to blue-black From pink to blue-green From brown to orange-red From blue to pink From brown to blue-black From pink to blue-green From brown to orange-red From blue to pink ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called LC50 ADI NOAEL LD50 LC50 ADI NOAEL LD50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Aluminium Nickel Lead Copper Aluminium Nickel Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Helium Carbon dioxide Sulphur dioxide Nitrogen Helium Carbon dioxide Sulphur dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Emulsifier is an agent which Aids the flocculation of emulsion Homogenizes the emulsion Stabilizes an emulsion Accelerates the dispersion Aids the flocculation of emulsion Homogenizes the emulsion Stabilizes an emulsion Accelerates the dispersion ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Cannot be predicted Remains same Decreases Increases Cannot be predicted Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP