Chemistry Which among the following elements is found in maximum percentage in the human body ? Hydrogen Oxyzen Nitrozen Carbon Hydrogen Oxyzen Nitrozen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Lead Hg SO2 NO2 Lead Hg SO2 NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Formic acid Salycylic acid Acetic acid Oxalic acid Formic acid Salycylic acid Acetic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which None of these Has no action on the rate of the reaction Increases the rate of the reaction Decreases the rate of reaction None of these Has no action on the rate of the reaction Increases the rate of the reaction Decreases the rate of reaction 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. Both A and R is true but R is not a correct explanation of A A is true but R is false Both A and R is true and R is the correct explanation of A A is false but R is true Both A and R is true but R is not a correct explanation of A A is true but R is false Both A and R is true and R is the correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Four Two Three One Four Two Three One ANSWER DOWNLOAD EXAMIANS APP
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