Chemistry The rusting of iron is a/an Physical change Electrochemical change None of these Electrical change Physical change Electrochemical change None of these Electrical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Oxidation process Hydration to form other hydrates Reduction process Dehydration process Oxidation process Hydration to form other hydrates Reduction process Dehydration process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Protein Cellulose Fat Carbohydrate Protein Cellulose Fat Carbohydrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Entropy of Universe is always Increasing Zero Decreasing Constant Increasing Zero Decreasing Constant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of HCI and NaCI CI– and [HCO3]– [HCO3]– and H2CO3 CI– and [CO3]2– HCI and NaCI CI– and [HCO3]– [HCO3]– and H2CO3 CI– and [CO3]2– ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a fertilizer? Calcium ammonium nitrate Calcium sulphate Potassium nitrate Ammonium sulphate Calcium ammonium nitrate Calcium sulphate Potassium nitrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
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