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what is the reason for kmno4 to exibhit pink colour
DISCOVERY OF SUB-ATOMIC PARTICLES The atomic theory of the Greek philosophers, Leucippus and Democretus (400 B.C.) held that continued subdivision of matter would ultimately yi
I WANT FIGURE FOR POENTIONSTAATIC COULOMETRY
What are the compounds having at least single chiral centre (asymmetric carbon atom)? Draw their structural formulae (line-bond structures) with all chiral centres marked by an ast
Q. Evlaute the Percent Error? Juan computed the density of aluminium three times. Trial 1: 2.74 g/cm 3 Trial 2: 2.68 g/cm 3 Trial 3: 2.84 g/cm 3 Aluminium has a
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. What are Changes in Matter? Matter is able to undergo two fundamental kinds of changes. Changes that don't alter the composition of matter are called physical changes. Sta
2Zns + 3O 2 ---------> 2ZnO + 2SO 2 ZnCO 3 -------------> ZnO + CO 2 ZnO +C ------> Zn +CO ZnO + CO -----------> Zn + C0 2
Which one of the following is considered as the main postulate of Bohr's model of atom: (1) Protons are present in the nucleus (2) Electrons are revolving around the nucleu
What are the most significant properties of permanent magnetic materials? Explain. Ans: The most significant properties of permanent magnetic materials are (i) Remanen
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