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 The addition of gypsum to portland cement helps in : Rapid setting of cement Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Nitrous oxide Nitrogen Carbon dioxide Oxygen Nitrous oxide Nitrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Hydrogen nucleus Proton Neutron Electron Hydrogen nucleus Proton Neutron Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gas released during Bhopal tragedy was : Sodium isothiocyanate Ethyl isothiocyanate Methyl isothiocyanate Potassium isothiocyanate Sodium isothiocyanate Ethyl isothiocyanate Methyl isothiocyanate Potassium isothiocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry "Paramagnetism" is the property of Paired electrons Completely filled electronics subshells Unpaired electrons Completely vacant electronic subshells Paired electrons Completely filled electronics subshells Unpaired electrons Completely vacant electronic subshells ANSWER DOWNLOAD EXAMIANS APP
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