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Q. What do you mean by Chemical Bonding? Ans. Atoms react chemically by losing, gaining or sharing electrons. Chemical bonds are the attractive forces that hold atoms toge
#questiowhy HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?n..
Q. Llimitations of werners theory? There were inherent limitations with such a simple approach. For example, the following experimental facts cannot be explained on the basis o
Q. What do you mean by Homologous Series? Ans. How can we adequately learn about carbon compounds when there are so many of them? The answer lies in grouping similar c
Where is tin obtained? Ans) Tin is obtained in several places tin is found mainly in the ore cassiterite, which is originate in Malaysia, Bolivia, Thailand, and Nigeria.
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Q. How to evaluate mass number? An isotope of an element is recognized by its mass number which is the sum of the number of protons and neutrons in the atom's nucleus. Mas
ENTROPY Entropy is a thermodynamic property of a system. It is denoted as S and like as the enthalpy and internal energy, it is a state function. In thermodynamic expression, e
The free energy change for the formation of oxide of aluminium is highly negative ( -1000 to -1100) so , it can easily reduce any metal oxide abve it easily in ellingham diamgram a
Q. How many centigrams are in 5 kilograms? Two conversion factors are essential to solve this problem. Keep in mind that there are 1000 grams in a kilogram and 100 centigrams i
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