Chemistry Which of the following fuels causes minimum environmental pollution? Coal Hydrogen Kerosene Diesel Coal Hydrogen Kerosene Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is used as raw material by which industry ? Steel Iron Gold Aluminium Steel Iron Gold Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Non-combustible Lighter than hydrogen More stable More abundant than hydrogen Non-combustible Lighter than hydrogen More stable More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Sodium carbonate Potassium Permangante Alum Lime Sodium carbonate Potassium Permangante Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muscle fatigue is caused by the accumulation of : Pyruvic acid Uric acid Lactic acid Oxalacetic acid Pyruvic acid Uric acid Lactic acid Oxalacetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In softening water As purgative In paper industry In making tooth paste In softening water As purgative In paper industry In making tooth paste ANSWER DOWNLOAD EXAMIANS APP
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