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Impurities of solids
Impurities are frequently added to materials to improve the properties. For example, carbon added in small amounts to iron makes steel, which is stronger than iron. Boron impurities added to silicon drastically change its electrical properties.
Examples for the compound which is both doublesalt and complex compound? Ans) A Compound that is double salt cannot be a complex compound.
Q. What are the Physical Properties of Halogens? Ans. The halogens exist as diatomic molecules held together by a single bond. Reactivity becomes less as you move down
For">http://imageshack.us/photo/my-images/213/chemistyr.png/ For these structures? I''m not sure how to answer it.
What is Allotropy If the change in structure is reversible then the polymorphism is called as 'allotropy'.Allotropy (Gr. allos, other, and tropos, manner) is a behavior exhibi
A hydrogen-filled balloon was ignited and 2.00 of hydrogen reacted with 16.0 of oxygen.
SOME SILVER MINES DUMP SHREDDED IRON CANS INTO PONDS CONTAING DISSOLVED SILVER SALTS. WRITE THE TWO HALF REDOX REACTIONS AND THE OVERALL BALANCED REACTION THAT EXPLAINS THE DEPOSIT
1. why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character. 2. Why is aqueous solution of Eu2+ thermodynamically less susceptible to oxidation than any
The angle among the lines joining the nuclei of the bonded atom with a central atom is known as bond angle.
write a short notes on borozole
what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?
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