Chemistry Diamonds are glittering and attractive because light incident on them undergoes Multiple surface reflections Highest refraction Multiple internal reflections Hundred percent transmission Multiple surface reflections Highest refraction Multiple internal reflections Hundred percent transmission 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
Chemistry Solder is an alloy of Tin, lead Copper, lead Sodium, lead Lead, zinc Tin, lead Copper, lead Sodium, lead Lead, zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Ethane Methane Carbon monoxide Carbon di-oxide Ethane Methane Carbon monoxide Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Magnetite Limonite Haematite Siderite Magnetite Limonite Haematite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Thorium Plutonium Uranium Zirconium Thorium Plutonium Uranium Zirconium ANSWER DOWNLOAD EXAMIANS APP
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