Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?39
What is wave number?
Why is eriochrome black t indicator cannot be used in this experiment?
What is buffer?
What is the difference between volumetric solutions and test solutions
Do all explosions produce carbon dioxide or carbon monoxide?
Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?
What is the metal used to extract copper from the solution of copper sulphate?
What is density of a liquid?
Why ph scale range is 14? Why it is not less or not greater than 14?
What is the prime constituents of cement?
Why is acetone used for cleaning viscometer?
Differentiate between modern periodic table and mendeleevs table?
What is the role of stannous chloride?
why do hard water never produce foam when a soap is dissolved?
How many electrons does benzene have?