Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen Carbon dioxide All of them Oxygen Hydrogen Carbon dioxide All of them Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Potassium Permangante Alum Lime Sodium carbonate Potassium Permangante Alum Lime Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Sulphur Bromine Phosphorous Carbon Sulphur Bromine Phosphorous Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : CaCO3 MgCl2 CaCl2 MgCO3 CaCO3 MgCl2 CaCl2 MgCO3 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 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 A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
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