The correct formula for lead (iv) oxide is ? a)pb2o2 b) pb2o c) pbo d) pbo2

What is the percentage composition of carbon in the compound ch4

Which of the following units is not an official si unit

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride