Chemistry Vulcanization of rubber is carried out by adding Phosphorus Ozone Sulphur Carbon Phosphorus Ozone Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Protons Neutrons and protons Electrons Neutrons Protons Neutrons and protons Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Iron Copper Zinc Lead Iron Copper Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Osmosis Surface tension Viscosity Cohesion Osmosis Surface tension Viscosity Cohesion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is absorbed by plants It is the lightest gas It immediately combines with oxygen to form water It is highly inflammable It is absorbed by plants It is the lightest gas It immediately combines with oxygen to form water It is highly inflammable ANSWER DOWNLOAD EXAMIANS APP
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