Chemistry The iron ore which contains 72% of iron is : Limonite Magnetite Haematite Siderite Limonite Magnetite Haematite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Hydrogen Helium Lithium Sodium Hydrogen Helium Lithium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry 24 carat of diamond is equal to 200 mg 95% mg 91% gold 200 g 200 mg 95% mg 91% gold 200 g ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Hydrogen Sulphide Oxygen Nitrogen Carbon dioxide Hydrogen Sulphide Oxygen Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to 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 availability of d-orbitals its high electro negativity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Gold Iron Zinc Copper Gold Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
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