Why is the role of glycerol & naoh?
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What is Catalysis ?
Explain about Characters of Catalytic Reactions ?
Why be is not soluble in liquid ammonia?
What is engymes?
What is meant by transmittance?
Explain the Atom?
Explain about Paints and Pigments ?
Which gas is used, in laboratories etc. for burners ?
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?
In winter, on a cold morning, the cement feels colder to the foot than a carpet. Why ?
What important property of water makes it possible for plants to grow under it and for animals to live it ?
Why do eye-glasses become fogged, when the wearer comes form the cold outdoors into a warm room ?