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Which of the following substances has covalent bonding: (1) Germanium (2) Sodium chloride (3) Solid neon (4) Copper Ans: Germanium
Calculations of Volumetric analysis The subsequent points should be kept in mind while making calculations of volumetric exercises. (i) 1g equivalent mass of a substance car
Pennies made after 1982 are made of 97.5% zinc and 2.5% copper instead of 95% copper and 5% zinc. Pree 1982 pennies weighed 3.10g. The penny contained 2.95g of zinc and 0.15g of co
Q. What are the Chemical Properties of Ammonia? Ans. Combustion: Ammonia does not burn in air but will burn in pure oxygen to form nitrogen and water vapor. 4NH 3 (g) +
ionic bonds are usually formed by combination of elements with which type of ionisation potential or electron affinity
What is the nature of chemical bonding between Cs and F: (1) Covalent (2) Ionic (3) Coordinate (4) Metallic Ans: Ionic
Which of the following sets of orbitals may degenerate : (1) 2s, 2p x , 2p y (2) 3s, 3p x , 3d xy (3) 1s, 2s, 3s
CAN BOHR MODEL EXPLAIN THE SPECTRUM LINE OH HYDROGEN ATOM?
What is variation method and give me an example?
Qualitative analysis- Criteria of purity of organic compound The qualitative analysis of an organic compound includes the detection of all the elements that are present in it
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