Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 3 7 4 6 3 7 4 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Oxidation Dehydration Decomposition Reduction Oxidation Dehydration Decomposition Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Methyl bromide Ethylene ozonide D.T. Benzene Methyl bromide Ethylene ozonide D.T. Benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Thorium Mercury Polonium Uranium Thorium Mercury Polonium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Aluminium Magnesium Potassium Beryllium Aluminium Magnesium Potassium Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Hydration to form other hydrates Reduction process Oxidation process Dehydration process Hydration to form other hydrates Reduction process Oxidation process Dehydration process ANSWER DOWNLOAD EXAMIANS APP