Home » Chemistry » A substance is said to be impure ifA substance is said to be impure if A substance is said to be impure if A. its melting point range is wide B. it dissolves in water with difficult C. it has a low melting point D. it is coloured Correct Answer: Option A Explanation Related Posts The approximate volume of air containing 10cm3 of oxygen is? An insoluble salt can be prepared by A dye is suspected to have contaminated a lollipop. Which of the following is the… Which of the following statements is NOT true of carbon monoxide? The shape of ammonia molecule is? Chemistry Theory (a) Give one reason why a collision between reactants may not produce new species. (b)…
Chemistry Theory (a) Give one reason why a collision between reactants may not produce new species. (b)…