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Q. Show Sulphide Minerals? In these minerals metals are present as their sulphides. For example, iron pyrites (FeS 2 ), calcocite (CU 2 S), chalcopyrite (CuFeS 2 ), zinc blende
Preparation of alkane
Properties of Resorcinol 1. Resorcinol is a colourless crystalline solid, melting points 110°C. 2. Resorcinol is affected on exposure by light and air. 3. Resorcinol is s
INTRODUCTION : Alcohol is one of the most important chemicals used in the laboratories. In Biology and Chemistry laboratories it is used almost every day. In this exercise you wil
how periodic table is helpful in chemistry give two example
Show that wavefunction ψ1(x) = (2/L) 1/2 sin(πx/L) of a particle in a box is an eigenfunction of the operator d 2 /dx 2 and also calculate the corresponding eigenvalue.
what are the applications of radioactivity in forensics, agriculture, medicine, engineering, and geology
1. For what fraction of annual CO 2 emissions from fossil fuel burning are automobiles responsible? 2. A 1000-kg car travels 1.6 × 10 4 km/yr. What is the ratio of the mass of
Q. Illustrate Properties of Protons and Neutrons? Ans. We now know that following fundamental properties of protons and neutrons: 1. The proton has a charge of +1, which
What are ferrites? Ferrites are ceramic compounds having trivalent metal having three valence electrons iron and oxide of divalent element i.e. metals having two free electrons
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