Chemistry Charcoal is used in water treatment as a/an Solvent Adsorbent Coagulant Absorbent Solvent Adsorbent Coagulant Absorbent ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry A colloidal system in which a liquid is dispersed in a liquid is called Precipitate Sol Gel Emulsion Precipitate Sol Gel Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Oxygen Iron Silicon Magnesium Oxygen Iron Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ?-rays Positive rays X-rays ? and ? rays ?-rays Positive rays X-rays ? and ? rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Potassium Nitrogen Phosphorous Silicon Potassium Nitrogen Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP