What is wave length?
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What is the molarity of a NaOH solution if 32.47ml. isrequired to titrate 0.6013g of potassium hydrogen phthalate?
When we heat one end of and iron bar, the other end also gets heated up why ?
What is Evaporation ?
Explain about Atomic Weight ?
Why is sodium preserved in kerosene oil ?
Distinguish between lime water and milk of lime ?
What is german silver?
Why is the percentage of oxygen today the same as it was thousands years ago, even though the whole world inhals it?
Which gas is used, in laboratories etc. for burners ?
Write the equation of photosynthesis?
Explain the Hard and Soft water ?
Explain the Different types of solutions ?