Chemistry Which one of the following is most acidic MgO Al22O3 Na2O CaO MgO Al22O3 Na2O CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is All of these O3 CO CO2 All of these O3 CO CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Hydrogen peroxide Bromine water Alkaline potassium permanganate Acidified potassium permanganate Hydrogen peroxide Bromine water Alkaline potassium permanganate Acidified potassium permanganate 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 and R is the correct explanation of A Both A and R is true but R is not a correct explanation of A A is false but R is true A is true but R is false Both A and R is true and R is the correct explanation of A Both A and R is true but R is not a correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Zinc Tin Lead Copper Zinc Tin Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder Aluminium sulphate None of these Aluminium powder Solder Aluminium sulphate None of these Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
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