Which indicator would best distinguish between a solution with pH of 7.4 and a solution of 9.2?

1) phenolphthalein

2) thymol blue

3) bromthymol blue

4) litmus

What is the merits and demerits of synthetic fibers

Which one of the following are appropriate units for measuring volume? A. grams B. Newtons C. linear feet D. cubic centimeters

What is electron configuration of a Mn atom in the ground state

A mixture of sand and table salt can be separated by filtration because

In past centuries, many people believed in a static Universe-one that had existed forever without changing much, and one that would continue forever more or less as it is today.

What is the golden rule of lighting safety?

Select the correct answer. A man pours some hot coffee into a small cup from a large jug that contains enough coffee for several cups. Which statement correctly compares the coffee in the cup and in the jug? A.

Is sponge cake a heterogeneous mixture

Describe three skills people use to conduct scientific investigations

The surface temperature on Venus may approach 739 K. What is this temperature in degrees Celsius?