Chemistry Which of the following is not a commercial source of energy? Coal Petroleum Firewood Natural Gas Coal Petroleum Firewood Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry An element of atomic no. 29 belongs to D-block S-block P-block F-block D-block S-block P-block F-block ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water cycle refers to Scientific management of water in areas excessively plagued with water-logging An integrated attempt to recycle water in relatively arid regions Water distribution in relatively dry areas Constant movement of water from ocean to land and back to ocean once again Scientific management of water in areas excessively plagued with water-logging An integrated attempt to recycle water in relatively arid regions Water distribution in relatively dry areas Constant movement of water from ocean to land and back to ocean once again ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Formic acid Acetic acid Propionic acid Butyric acid Formic acid Acetic acid Propionic acid Butyric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Eye disease Kidney damage Arthritis Hair falling Eye disease Kidney damage Arthritis Hair falling ANSWER DOWNLOAD EXAMIANS APP