Description : Where does the element potassium come from ?
Last Answer : The element potassium comes from potash.
Description : What is the symbol of potassium element ?
Last Answer : The symbol of potassium element is - K.
Description : In an electron dot diagram of potassium There is one dot. In an electron dot diagram of silicon there are four dots. Which element would you expect to be more reactive?
Last Answer : silicon
Description : Anemia occurs due to the lack of the element (a) iodine (b) calcium (c) potassium (d) iron
Last Answer : Ans:(d)
Description : Which one of the following element is a constituent of protoplasm? (A) Sulphur (B) Calcium (C) Iron (D) Potassium
Last Answer : (B) Calcium
Description : The deficiency of this element leads to older leaves turning purple in colour on the underside. Identify the mineral? [a] Calcium [b] Phosphorus [c] Potassium [d] Iron [e] None of the above
Last Answer : [c] Potassium
Description : Which element is located at the centre of the porphyrin ring in chlorophyll? (a) Calcium (b) Magnesium (c) Potassium (d) Manganese
Last Answer : (b) Magnesium
Description : Q -4 what is the purpose of sodium, silicon and potassium in core element?
Last Answer : • Silicon - deoxidize & form slag • Sodium - stabilize arc & form slag • Potassium - stabilizes the arc & form slag
Description : A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number? (1) C (2) S (3) H (4) Cl
Last Answer : Cl
Description : The radioactive element most commonly detected in humans is: w) potassium-40 x) cobalt-60 y) iodine-131 z) plutonium-238
Last Answer : ANSWER: W -- POTASSIUM-40