Freezing Point Lowering, The freezing point of ethylene glycol is -3.2 degr...

The freezing point of ethylene glycol is -3.2 degree-Celcius. How many grams of ethylene glycol is required in 150 L of water to achieve such temperature?

Structure of atom, energy of electron in hydrogen atom

energy of electron in hydrogen atom

Why we need sulfuring, Q. Why we need Sulfuring? Sulfuring is the proce...

Q. Why we need Sulfuring? Sulfuring is the process which is used to destroy microorganisms and to preserve colour. Fruits after blanching may be dipped into a sulphite solution

Organic chemistry, perkin ring clousre reaction

perkin ring clousre reaction

Reference solution, Reference solution:   A proper reference soluti...

Reference solution:   A proper reference solution contains color reagent plus sample buffer. The difference between the reference and a sample is that the concentration of

What do you mean by rounding off numbers, Q. What do you mean by Rounding o...

Q. What do you mean by Rounding off numbers? Rounding off numbers while you report a calculation your answer should have no more significant figures than the piece of data yo

Ionic bond,

Laws of chemical combination, Avogadro''s hypothesis?

Avogadro''s hypothesis?

Explain molarity and replacement reactions, Q. Explain Molarity and Replace...

Q. Explain Molarity and Replacement Reactions? Ans. Frequently in the chemistry lab we are confronted with situations where we are interested in the yield of a certain rea

Show that water pressure increases with depth, Another way to show that wat...

Another way to show that water pressure increases with depth Search a tall tin can. Punch holes up the side of the can about 3 cm apart. Put a strip of adhesive or plastic tape