Chemistry Which one is a naturally occuring noble gas Boron Potassium Argon Sodium Boron Potassium Argon Sodium 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 and R is the correct explanation of A A is true but R is false A is false but R is true Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A A is true but R is false A is false but R is true Both A and R is true but R is not a correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Coagulation Disinfection Softening Sedimentation Coagulation Disinfection Softening Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Aluminium oxide Magnesium oxide Zinc oxide Calcium oxide Aluminium oxide Magnesium oxide Zinc oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron acceptor An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron acceptor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to availability of d-orbitals its high electro negativity small size of fluorine atom strong F - F bond availability of d-orbitals its high electro negativity small size of fluorine atom strong F - F bond ANSWER DOWNLOAD EXAMIANS APP
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