Chemistry Water can be separated from alcohol water mixture by Evaporation Decantation Distillation Sublimation Evaporation Decantation Distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. A is true but R is false Both A and R is true but R is not a correct explanation of A A is false but R is true Both A and R is true and R is the correct explanation of A A is true but R is false Both A and R is true but R is not a correct explanation of A A is false but R is true Both A and R is true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Bauxite Calcite Haematite Cryolite Bauxite Calcite Haematite Cryolite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Methyl alcohol Methane Propyl alcohol Phenol Methyl alcohol Methane Propyl alcohol Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Lead Zinc Chromium Nickel Lead Zinc Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : N-heptane Iso-octane 2-methyl heptane 2,2-dimethyl hexane N-heptane Iso-octane 2-methyl heptane 2,2-dimethyl hexane ANSWER DOWNLOAD EXAMIANS APP
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