Class 6 ch 9 to 16 science all topic used in textbook ​

ch 9 sorting material into groups

ch 10 change and reaction

ch 11 motion and measurement of distance

ch 12 electric current and circuits

ch 13 fun with magnet

ch 14 importance of air

ch 15 importance of water

ch 16 light, shadow and reflection

ch 17 wastes

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.