Cidesco MCQ set 1 questions 100% correct answers already passed 2023

Cidesco MCQ set 1 questions 100% correct answers already passed 2023Which of the following is an anion a) a negatively charged chloride atom (Cl-) b) a positively charged hydrogen atom (H+) c) a negatively charged electron orbiting around the nucleus of an atom d) a positively charged proton in the nucleus of an atom - correct answer a) a negatively charged chloride atom (Cl-) If the PH of a solution is between 1&3 the solution is a strong a)strong acid b)strong alkali c)weak acid d)weak alkali - correct answer Strong acid Sublimation is the change of matter from a)a gas to a solid b)a liquid to a solid c)a liquid to a gas d)a solid to a gas - correct answer A solid to a gas Which one of the following belongs to the science of chemistry a)the alteration of the structure of molecules b)the condensation of vapour c)the conduction of electricity along a wire d)the production of rays in the environment - correct answer The alteration of the structure of molecules