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Magnesium is the lightest of the structural metals. While this low density is an attractive property, magnesium also has a high corrosion rate that has often been seen as a disadva
how scales are formed?
some simple live chemistry projects
Maximum number of electrons present in N shell is: (1) 18 (2) 32 (3) 2 (4) 8 Ans: 32
The nucleus of an atom can be assumed to be spherical. The radius of the nucleus of mass number 7 is given by 1.25x 10 -13 A 1/3 cm Radius of atom is one A. If the mass number
Q. Describe SI System and Standards Ans: What units you will you use science class? Long ago people decided that the "foot" must be standardized so that when I measure
Write chemical tests to distinguish among: a) Phenol and Benzoic acid b) Propanal and propanone c) Formic acid and Acetic acid
Q. Explain Molarity and Replacement Reactions? Ans. Frequently in the chemistry lab we are confronted with situations where we are interested in the yield of a certain rea
Borazole is very stable because it is aromatic; each nitrogen contributes two p electrons and each boron contributes zero electrons, for a total of six p electrons in the aromatic
Some enzymes require other associated molecules to work. These molecules are known as enzyme cofactors and they can be, for example, organic ions, like mineral salts, or organic mo
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