Chemistry The compound that has the least value for octane number is : 2,2-dimethyl hexane N-heptane Iso-octane 2-methyl heptane 2,2-dimethyl hexane N-heptane Iso-octane 2-methyl heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: Increase in free energy An increase in Internal energy A lowering of entropy A lowering of free energy Increase in free energy An increase in Internal energy A lowering of entropy A lowering of free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Potassium nitrate Aluminium hydroxide Silver bromide Sodium chloride Potassium nitrate Aluminium hydroxide Silver bromide Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain reflecting surface The molecules in them are very close to each other They contain free electrons The molecules in them collide very freely They contain reflecting surface The molecules in them are very close to each other They contain free electrons The molecules in them collide very freely ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Lactic acid Sulphuric acid Oxalic acid Citric acid Lactic acid Sulphuric acid Oxalic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Calcium sulphate Calcium phosphate Calcium hypophosphate Phosphoric sulphate Calcium sulphate Calcium phosphate Calcium hypophosphate Phosphoric sulphate ANSWER DOWNLOAD EXAMIANS APP
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