Soaps, why do soap not work in hard water ?

why do soap not work in hard water ?

Evaluate the percentage ionisation of salt, (a) Which aqueous solution has ...

(a) Which aqueous solution has higher concentration 1 molar or 1 molar solution of the same  solute? Give reason. (b) 0.5g KCI was dissolved in 100g water and the solution origi

Objective of elements of group 16, Q. Objective of elements of group 16? ...

Q. Objective of elements of group 16? You should be able to: • describe the occurrence, extraction and uses of the elements of Group 16, • describe the allotropic forms o

Electochemistry, what is agar-agar inert electrolyte

what is agar-agar inert electrolyte

Water pressure is the same in all directions, Water pressure is the same in...

Water pressure is the same in all directions Punch holes around the base of a tall tin can with a nail. Wrap the holes as above with a strip of tape. Fill the can with water an

Answers, which among the following species have the same no of electrons in...

which among the following species have the same no of electrons in its outermost as well as penultimate shell

THIRD LAW OF CHEMIICAL COMBINATION, COMPOUNDS A AND B CONTAIN COPPER AND SU...

COMPOUNDS A AND B CONTAIN COPPER AND SULPHUR.EACH CONTAINS 20% AND 33.33% EACH BY MASS OF SULPHUR RESPECTIVELY.FIND THE RATIO OF THE ELEMENTS USING THE THIRD LAW OF CHEMICAL COMBIN

Ionic bond,

What is vulcanization, What is vulcanization The process of vulcanizati...

What is vulcanization The process of vulcanization was discovered by Charles Good Year in 1839. He found that when natural rubber is heated with sulphur, its tensile strength,

Free radical replacement reactions, Free radical replacement reactions ...

Free radical replacement reactions Free radical substitution reactions include the attack by a free radical. These reactions happen by free radical mechanism that includes Init