Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Carbon Phosphorous Sulphur Bromine Carbon Phosphorous Sulphur Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Ozone and carbon dioxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Ozone and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Mg2+ Ca2+ A l3+ Fe2+ Mg2+ Ca2+ A l3+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Oxygen Carbon dioxide All of them Hydrogen Oxygen Carbon dioxide All of them Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Adsorption Coagulation Absorption Emulsification Adsorption Coagulation Absorption Emulsification ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Hydrogen Helium Nitrogen Methane Hydrogen Helium Nitrogen Methane ANSWER DOWNLOAD EXAMIANS APP
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