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Q. What do you mean by Mixtures of Matter? A mixture is a mixture of two or more pure substances in which each substance retains its individual properties. Concrete mainly ro
Break point chlorination: It may be defined as the chlorination of water to such an extent that not only living organism but also other organic impurities in water are destroyed.
What is T in the indicator Eriochrome Black-T used for the determination of hardness of water?
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
Borosilicate glass: in this boric anhydride is used in place of lime. This glass generally contains 75-81% silica, 10-13.5% B 2 O 3 , 4.5-6% Na 2 O and 2-5% Al 2 O 3 . Sometimes Z
The most important classification of elements is that of non-metallic versus metallic. Metallic elements form solids that are good conductors of electricity, and where bonding is n
Physical Properties of Oxalic Acid (a) Oxalic Acid is a colourless crystalline solid. It contains two molecules of water as water of crystallisation. (b) The hydrated form h
Amines are soluble in organic solvents whereas ammonium salts are not. Is it true? Ans) yes because amine is contain R-NH2 group where R is carbon groups so they are in polar nat
sodium does not react with a) Carbon b) Nitrogen c) Hydrogen d)both a an b
Classification of proteins - biomolecules As per to the chemical composition, proteins are categorized into two classes 1. Simple proteins 2. Conjugated proteins
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