Chemistry Which of the following is used to remove ink and rust stains on cloth? Ether Oxalic acid Alcohol Kerosene oil Ether Oxalic acid Alcohol Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 4 –3 to + 5 –3 to + 3 –3 to + 6 –3 to + 4 –3 to + 5 –3 to + 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The least preferred technique in the disposal of Municipal Solid Waste is Bricketting Land filling Incineration Composting Bricketting Land filling Incineration Composting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Propane Methane Butane Decane Propane Methane Butane Decane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 17 19 53 36 17 19 53 36 ANSWER DOWNLOAD EXAMIANS APP