Chemistry Submarines move under water. They have engines that run on Diesel Steam Batteries Petrol and oxygen Diesel Steam Batteries Petrol and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Potassium nitrate Aluminium hydroxide Silver bromide Sodium chloride Potassium nitrate Aluminium hydroxide Silver bromide Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Bauxite Phosphorus Graphite Sulphur Bauxite Phosphorus Graphite Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Aluminium Iron Tin Copper Aluminium Iron Tin Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x 7.2 x 5x/36 x/6 5x 7.2 x 5x/36 x/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is All of these O3 CO CO2 All of these O3 CO CO2 ANSWER DOWNLOAD EXAMIANS APP
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