What is the chemical composition of diamond ?
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Why be is not soluble in liquid ammonia?
Explain the Fuel gases ?
Why USP put two methods for tapped density? When I should use each one?
Any reaction can be reversed by applying potential. But, why can't we recharge the primary cell?
Why metallic tools used by blacksmiths have wooden handles ?
What is the unit of ph?
What is the difference between hard and soft water ?
Why are substances like caustic soda and calcium chloride called hygroscopic substances ?
Why is Davy Lamp called a Safety Lamp ?
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?
What is the application of hardness date in environmental engineering practice?
What are the electrodes used in the measurement of ph for the determination of pka?