Chemistry 'Plaster of Paris' is made by partial dehydration of Gypsum salt Blue vitriol Green vitriol Epsom salt Gypsum salt Blue vitriol Green vitriol Epsom salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Higher rate of photosynthesis Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Higher rate of photosynthesis Increasing the average global temperature in recent years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Carbon Hydrogen Oxyzen Nitrozen Carbon Hydrogen Oxyzen Nitrozen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Independent Synergism Antagonism Additives Independent Synergism Antagonism Additives ANSWER DOWNLOAD EXAMIANS APP