Chemistry What is the principal ore of aluminium ? Bauxite Copper Lignite Dolomite Bauxite Copper Lignite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Depletion of ozone layer in the stratosphere Oxygen fertilization effect Carbon dioxide ferilization effect Global warming Depletion of ozone layer in the stratosphere Oxygen fertilization effect Carbon dioxide ferilization effect Global warming ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? European Union, China, USA, India USA, India, China, European Union China, USA, European Union, India China, India, European Union, USA European Union, China, USA, India USA, India, China, European Union China, USA, European Union, India China, India, European Union, USA ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Liquid soap Ordinary soap Detergent Dilute acid Liquid soap Ordinary soap Detergent Dilute acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and b C and d A and c B and c A and b C and d A and c B and c ANSWER DOWNLOAD EXAMIANS APP
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