9. The formular for finding the area of an object is
A. Length + Width
B. Length - Width
C. Length : Width
D. Length x Width
E. 2 (Length + Width)
ans​

D. length × width

Explanation:

eg. 30 cm(length) × 20cm(width) = 600cm²

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.