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Bohr model of an atom could not account for : (1) Emission spectrum (2) Absorption spectrum (3) Line spectrum of hydrogen (4)Fine spectrum Ans: Fine spectrum
Q. What do you understand by dissolved oxygen in water? How does it create trouble in boiler? Give chemical methods with suitable reactions to remove it from the water. Ans.
Electrolytic reduction of magnesium chloride Iron cell 2. Magnesium 3. Graphite anode 4. Porcelain hood 5. Iron cathode 6. Coal gas 7. Chlorine 8. Coal gas 9. Molten ele
Aufbau principle is not satisfied by: (1) Cr and Cl (2) Cu and Ag (3) Cr and Mg (4) Cu and Na Ans: Cu and Ag
what is primary standard and secondary standard?
MOLE CONCEPT
laws of chemical combination
Uses of Glucose (a) Glucose is used in the conservation of fruits and making of jams and jellies. (b) Glucose is used in the preparation of confectionary and as a sweetening
discuss the structure of beryllium chloride Becl2.
Define the process of Metallization - fabrication processes It's the process of providing electrical connections between different parts of the circuit. Aluminium is common
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