Chemistry The number of waves in n x 10th Bohr's orbit are n3 n2 n-2 n n3 n2 n-2 n ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High calorific value Low reactivity with metal High flammability Ability to lower the melting point of the metal High calorific value Low reactivity with metal High flammability Ability to lower the melting point of the metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Rain water Distilled water Tap water Ground water Rain water Distilled water Tap water Ground water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Type metal Aluminium Water Cast-iron Type metal Aluminium Water Cast-iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Inorganic substances Suspended solids Oil and fatty substances Gritty substances Inorganic substances Suspended solids Oil and fatty substances Gritty substances ANSWER DOWNLOAD EXAMIANS APP
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