What is weak acid?
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why all the concentration of chemical species are measured using water as solvent (for examole 1N NaOH means 40 g of NaOH in one litre of water)eventhough there are so many solvents available?
What is the difference between hard and soft water ?
Explain the following ? Matter, Element, Atom, Compound, Molecule, Mixture, Physical change, Chemical change
What is hydrolysis ?
Why can?t snowballs be made in very cold weather ?
Why is dew formed more readily on clear nights than on cloudy ones ?
What is the unit of ph?
Acid rain is caused due to pollution of atmosphere by
Why is starch indicator added towards the end point?
Explain about Paints and Pigments ?
What is the chief commercial use of Phosphorus ?
Which gas is used, in laboratories etc. for burners ?