Q1.What does the pH scale measure? Q2. What is the pH of neutral solution?
Q3.What range of pH strong alkali have?
Q4.Which colour does Universal indicators go in acids?

The ocean layer of a rapid temperature change with deph is known as the

During a hot day, warm and moist air rises and cools in the atmosphere. which even would occur next on such a day? a. condensed droplets would gather to become water vapor. b. water vapor would condense into tiny droplets. c. water droplets would evaporate to form rain and snow.

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance